| /* Copyright (c) 2019, Google Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include <assert.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include <string.h> |
| #include <sys/uio.h> |
| #include <unistd.h> |
| #include <cstdarg> |
| |
| #include <openssl/aead.h> |
| #include <openssl/aes.h> |
| #include <openssl/bn.h> |
| #include <openssl/cipher.h> |
| #include <openssl/cmac.h> |
| #include <openssl/ctrdrbg.h> |
| #include <openssl/dh.h> |
| #include <openssl/digest.h> |
| #include <openssl/ec.h> |
| #include <openssl/ec_key.h> |
| #include <openssl/ecdh.h> |
| #include <openssl/ecdsa.h> |
| #include <openssl/err.h> |
| #include <openssl/hkdf.h> |
| #include <openssl/hmac.h> |
| #include <openssl/obj.h> |
| #include <openssl/rsa.h> |
| #include <openssl/sha.h> |
| #include <openssl/span.h> |
| |
| #include "../../../../crypto/fipsmodule/ec/internal.h" |
| #include "../../../../crypto/fipsmodule/rand/internal.h" |
| #include "../../../../crypto/fipsmodule/tls/internal.h" |
| #include "modulewrapper.h" |
| |
| |
| namespace bssl { |
| namespace acvp { |
| |
| #if defined(OPENSSL_TRUSTY) |
| #include <trusty_log.h> |
| #define LOG_ERROR(...) TLOGE(__VA_ARGS__) |
| #define TLOG_TAG "modulewrapper" |
| #else |
| #define LOG_ERROR(...) fprintf(stderr, __VA_ARGS__) |
| #endif // OPENSSL_TRUSTY |
| |
| constexpr size_t kMaxArgLength = (1 << 20); |
| |
| RequestBuffer::~RequestBuffer() = default; |
| |
| class RequestBufferImpl : public RequestBuffer { |
| public: |
| ~RequestBufferImpl() = default; |
| |
| std::vector<uint8_t> buf; |
| Span<const uint8_t> args[kMaxArgs]; |
| }; |
| |
| // static |
| std::unique_ptr<RequestBuffer> RequestBuffer::New() { |
| return std::make_unique<RequestBufferImpl>(); |
| } |
| |
| static bool ReadAll(int fd, void *in_data, size_t data_len) { |
| uint8_t *data = reinterpret_cast<uint8_t *>(in_data); |
| size_t done = 0; |
| |
| while (done < data_len) { |
| ssize_t r; |
| do { |
| r = read(fd, &data[done], data_len - done); |
| } while (r == -1 && errno == EINTR); |
| |
| if (r <= 0) { |
| return false; |
| } |
| |
| done += r; |
| } |
| |
| return true; |
| } |
| |
| Span<const Span<const uint8_t>> ParseArgsFromFd(int fd, |
| RequestBuffer *in_buffer) { |
| RequestBufferImpl *buffer = reinterpret_cast<RequestBufferImpl *>(in_buffer); |
| uint32_t nums[1 + kMaxArgs]; |
| const Span<const Span<const uint8_t>> empty_span; |
| |
| if (!ReadAll(fd, nums, sizeof(uint32_t) * 2)) { |
| return empty_span; |
| } |
| |
| const size_t num_args = nums[0]; |
| if (num_args == 0) { |
| LOG_ERROR("Invalid, zero-argument operation requested.\n"); |
| return empty_span; |
| } else if (num_args > kMaxArgs) { |
| LOG_ERROR("Operation requested with %zu args, but %zu is the limit.\n", |
| num_args, kMaxArgs); |
| return empty_span; |
| } |
| |
| if (num_args > 1 && |
| !ReadAll(fd, &nums[2], sizeof(uint32_t) * (num_args - 1))) { |
| return empty_span; |
| } |
| |
| size_t need = 0; |
| for (size_t i = 0; i < num_args; i++) { |
| const size_t arg_length = nums[i + 1]; |
| if (i == 0 && arg_length > kMaxNameLength) { |
| LOG_ERROR("Operation with name of length %zu exceeded limit of %zu.\n", |
| arg_length, kMaxNameLength); |
| return empty_span; |
| } else if (arg_length > kMaxArgLength) { |
| LOG_ERROR( |
| "Operation with argument of length %zu exceeded limit of %zu.\n", |
| arg_length, kMaxArgLength); |
| return empty_span; |
| } |
| |
| // This static_assert confirms that the following addition doesn't |
| // overflow. |
| static_assert((kMaxArgs - 1 * kMaxArgLength) + kMaxNameLength > (1 << 30), |
| "Argument limits permit excessive messages"); |
| need += arg_length; |
| } |
| |
| if (need > buffer->buf.size()) { |
| size_t alloced = need + (need >> 1); |
| if (alloced < need) { |
| abort(); |
| } |
| buffer->buf.resize(alloced); |
| } |
| |
| if (!ReadAll(fd, buffer->buf.data(), need)) { |
| return empty_span; |
| } |
| |
| size_t offset = 0; |
| for (size_t i = 0; i < num_args; i++) { |
| buffer->args[i] = Span<const uint8_t>(&buffer->buf[offset], nums[i + 1]); |
| offset += nums[i + 1]; |
| } |
| |
| return Span<const Span<const uint8_t>>(buffer->args, num_args); |
| } |
| |
| // g_reply_buffer contains buffered replies which will be flushed when acvp |
| // requests. |
| static std::vector<uint8_t> g_reply_buffer; |
| |
| bool WriteReplyToBuffer(const std::vector<Span<const uint8_t>> &spans) { |
| if (spans.size() > kMaxArgs) { |
| abort(); |
| } |
| |
| uint8_t buf[4]; |
| CRYPTO_store_u32_le(buf, spans.size()); |
| g_reply_buffer.insert(g_reply_buffer.end(), buf, buf + sizeof(buf)); |
| for (const auto &span : spans) { |
| CRYPTO_store_u32_le(buf, span.size()); |
| g_reply_buffer.insert(g_reply_buffer.end(), buf, buf + sizeof(buf)); |
| } |
| for (const auto &span : spans) { |
| g_reply_buffer.insert(g_reply_buffer.end(), span.begin(), span.end()); |
| } |
| |
| return true; |
| } |
| |
| bool FlushBuffer(int fd) { |
| size_t done = 0; |
| |
| while (done < g_reply_buffer.size()) { |
| ssize_t n; |
| do { |
| n = write(fd, g_reply_buffer.data() + done, g_reply_buffer.size() - done); |
| } while (n < 0 && errno == EINTR); |
| |
| if (n < 0) { |
| return false; |
| } |
| done += static_cast<size_t>(n); |
| } |
| |
| g_reply_buffer.clear(); |
| |
| return true; |
| } |
| |
| bool WriteReplyToFd(int fd, const std::vector<Span<const uint8_t>> &spans) { |
| if (spans.size() > kMaxArgs) { |
| abort(); |
| } |
| |
| uint32_t nums[1 + kMaxArgs]; |
| iovec iovs[kMaxArgs + 1]; |
| nums[0] = spans.size(); |
| iovs[0].iov_base = nums; |
| iovs[0].iov_len = sizeof(uint32_t) * (1 + spans.size()); |
| |
| size_t num_iov = 1; |
| for (size_t i = 0; i < spans.size(); i++) { |
| const auto &span = spans[i]; |
| nums[i + 1] = span.size(); |
| if (span.empty()) { |
| continue; |
| } |
| |
| iovs[num_iov].iov_base = const_cast<uint8_t *>(span.data()); |
| iovs[num_iov].iov_len = span.size(); |
| num_iov++; |
| } |
| |
| size_t iov_done = 0; |
| while (iov_done < num_iov) { |
| ssize_t r; |
| do { |
| r = writev(fd, &iovs[iov_done], num_iov - iov_done); |
| } while (r == -1 && errno == EINTR); |
| |
| if (r <= 0) { |
| return false; |
| } |
| |
| size_t written = r; |
| for (size_t i = iov_done; i < num_iov && written > 0; i++) { |
| iovec &iov = iovs[i]; |
| |
| size_t done = written; |
| if (done > iov.iov_len) { |
| done = iov.iov_len; |
| } |
| |
| iov.iov_base = reinterpret_cast<uint8_t *>(iov.iov_base) + done; |
| iov.iov_len -= done; |
| written -= done; |
| |
| if (iov.iov_len == 0) { |
| iov_done++; |
| } |
| } |
| |
| assert(written == 0); |
| } |
| |
| return true; |
| } |
| |
| static bool GetConfig(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| static constexpr char kConfig[] = |
| R"([ |
| { |
| "algorithm": "acvptool", |
| "features": ["batch"] |
| }, |
| { |
| "algorithm": "SHA2-224", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "SHA2-256", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "SHA2-384", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "SHA2-512", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "SHA2-512/256", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "SHA-1", |
| "revision": "1.0", |
| "messageLength": [{ |
| "min": 0, "max": 65528, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "ACVP-AES-ECB", |
| "revision": "1.0", |
| "direction": ["encrypt", "decrypt"], |
| "keyLen": [128, 192, 256] |
| }, |
| { |
| "algorithm": "ACVP-AES-CTR", |
| "revision": "1.0", |
| "direction": ["encrypt", "decrypt"], |
| "keyLen": [128, 192, 256], |
| "payloadLen": [{ |
| "min": 8, "max": 128, "increment": 8 |
| }], |
| "incrementalCounter": true, |
| "overflowCounter": true, |
| "performCounterTests": true |
| }, |
| { |
| "algorithm": "ACVP-AES-CBC", |
| "revision": "1.0", |
| "direction": ["encrypt", "decrypt"], |
| "keyLen": [128, 192, 256] |
| }, |
| { |
| "algorithm": "ACVP-AES-GCM", |
| "revision": "1.0", |
| "direction": ["encrypt", "decrypt"], |
| "keyLen": [128, 256], |
| "payloadLen": [{ |
| "min": 0, "max": 65536, "increment": 8 |
| }], |
| "aadLen": [{ |
| "min": 0, "max": 65536, "increment": 8 |
| }], |
| "tagLen": [32, 64, 96, 104, 112, 120, 128], |
| "ivLen": [96], |
| "ivGen": "internal", |
| "ivGenMode": "8.2.2" |
| }, |
| { |
| "algorithm": "ACVP-AES-GMAC", |
| "revision": "1.0", |
| "direction": ["encrypt", "decrypt"], |
| "keyLen": [128, 192, 256], |
| "payloadLen": [{ |
| "min": 0, "max": 65536, "increment": 8 |
| }], |
| "aadLen": [{ |
| "min": 0, "max": 65536, "increment": 8 |
| }], |
| "tagLen": [32, 64, 96, 104, 112, 120, 128], |
| "ivLen": [96], |
| "ivGen": "external" |
| }, |
| { |
| "algorithm": "ACVP-AES-KW", |
| "revision": "1.0", |
| "direction": [ |
| "encrypt", |
| "decrypt" |
| ], |
| "kwCipher": [ |
| "cipher" |
| ], |
| "keyLen": [ |
| 128, 192, 256 |
| ], |
| "payloadLen": [{"min": 128, "max": 4096, "increment": 64}] |
| }, |
| { |
| "algorithm": "ACVP-AES-KWP", |
| "revision": "1.0", |
| "direction": [ |
| "encrypt", |
| "decrypt" |
| ], |
| "kwCipher": [ |
| "cipher" |
| ], |
| "keyLen": [ |
| 128, 192, 256 |
| ], |
| "payloadLen": [{"min": 8, "max": 4096, "increment": 8}] |
| }, |
| { |
| "algorithm": "ACVP-AES-CCM", |
| "revision": "1.0", |
| "direction": [ |
| "encrypt", |
| "decrypt" |
| ], |
| "keyLen": [ |
| 128 |
| ], |
| "payloadLen": [{"min": 0, "max": 256, "increment": 8}], |
| "ivLen": [104], |
| "tagLen": [32, 64], |
| "aadLen": [{"min": 0, "max": 524288, "increment": 8}] |
| }, |
| { |
| "algorithm": "HMAC-SHA-1", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 160, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "HMAC-SHA2-224", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 224, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "HMAC-SHA2-256", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 256, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "HMAC-SHA2-384", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 384, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "HMAC-SHA2-512", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 512, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "HMAC-SHA2-512/256", |
| "revision": "1.0", |
| "keyLen": [{ |
| "min": 8, "max": 524288, "increment": 8 |
| }], |
| "macLen": [{ |
| "min": 32, "max": 256, "increment": 8 |
| }] |
| }, |
| { |
| "algorithm": "ctrDRBG", |
| "revision": "1.0", |
| "predResistanceEnabled": [false], |
| "reseedImplemented": true, |
| "capabilities": [{ |
| "mode": "AES-256", |
| "derFuncEnabled": false, |
| "entropyInputLen": [384], |
| "nonceLen": [0], |
| "persoStringLen": [{"min": 0, "max": 384, "increment": 16}], |
| "additionalInputLen": [ |
| {"min": 0, "max": 384, "increment": 16} |
| ], |
| "returnedBitsLen": 2048 |
| }] |
| }, |
| { |
| "algorithm": "ECDSA", |
| "mode": "keyGen", |
| "revision": "1.0", |
| "curve": [ |
| "P-224", |
| "P-256", |
| "P-384", |
| "P-521" |
| ], |
| "secretGenerationMode": [ |
| "testing candidates" |
| ] |
| }, |
| { |
| "algorithm": "ECDSA", |
| "mode": "keyVer", |
| "revision": "1.0", |
| "curve": [ |
| "P-224", |
| "P-256", |
| "P-384", |
| "P-521" |
| ] |
| }, |
| { |
| "algorithm": "ECDSA", |
| "mode": "sigGen", |
| "revision": "1.0", |
| "capabilities": [{ |
| "curve": [ |
| "P-224", |
| "P-256", |
| "P-384", |
| "P-521" |
| ], |
| "hashAlg": [ |
| "SHA2-224", |
| "SHA2-256", |
| "SHA2-384", |
| "SHA2-512", |
| "SHA2-512/256" |
| ] |
| }] |
| }, |
| { |
| "algorithm": "ECDSA", |
| "mode": "sigVer", |
| "revision": "1.0", |
| "capabilities": [{ |
| "curve": [ |
| "P-224", |
| "P-256", |
| "P-384", |
| "P-521" |
| ], |
| "hashAlg": [ |
| "SHA-1", |
| "SHA2-224", |
| "SHA2-256", |
| "SHA2-384", |
| "SHA2-512", |
| "SHA2-512/256" |
| ] |
| }] |
| }, |
| { |
| "algorithm": "RSA", |
| "mode": "keyGen", |
| "revision": "FIPS186-4", |
| "infoGeneratedByServer": true, |
| "pubExpMode": "fixed", |
| "fixedPubExp": "010001", |
| "keyFormat": "standard", |
| "capabilities": [{ |
| "randPQ": "B.3.3", |
| "properties": [{ |
| "modulo": 2048, |
| "primeTest": [ |
| "tblC2" |
| ] |
| },{ |
| "modulo": 3072, |
| "primeTest": [ |
| "tblC2" |
| ] |
| },{ |
| "modulo": 4096, |
| "primeTest": [ |
| "tblC2" |
| ] |
| }] |
| }] |
| }, |
| { |
| "algorithm": "RSA", |
| "mode": "sigGen", |
| "revision": "FIPS186-4", |
| "capabilities": [{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 2048, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }] |
| }] |
| },{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 3072, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }] |
| }] |
| },{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 4096, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 2048, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 3072, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 4096, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }] |
| }] |
| }] |
| }, |
| { |
| "algorithm": "RSA", |
| "mode": "sigVer", |
| "revision": "FIPS186-4", |
| "pubExpMode": "fixed", |
| "fixedPubExp": "010001", |
| "capabilities": [{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 1024, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }, { |
| "hashAlg": "SHA-1" |
| }] |
| }] |
| },{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 2048, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }, { |
| "hashAlg": "SHA-1" |
| }] |
| }] |
| },{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 3072, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }, { |
| "hashAlg": "SHA-1" |
| }] |
| }] |
| },{ |
| "sigType": "pkcs1v1.5", |
| "properties": [{ |
| "modulo": 4096, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224" |
| }, { |
| "hashAlg": "SHA2-256" |
| }, { |
| "hashAlg": "SHA2-384" |
| }, { |
| "hashAlg": "SHA2-512" |
| }, { |
| "hashAlg": "SHA-1" |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 1024, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA-1", |
| "saltLen": 20 |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 2048, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA-1", |
| "saltLen": 20 |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 3072, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA-1", |
| "saltLen": 20 |
| }] |
| }] |
| },{ |
| "sigType": "pss", |
| "properties": [{ |
| "modulo": 4096, |
| "hashPair": [{ |
| "hashAlg": "SHA2-224", |
| "saltLen": 28 |
| }, { |
| "hashAlg": "SHA2-256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA2-384", |
| "saltLen": 48 |
| }, { |
| "hashAlg": "SHA2-512", |
| "saltLen": 64 |
| }, { |
| "hashAlg": "SHA2-512/256", |
| "saltLen": 32 |
| }, { |
| "hashAlg": "SHA-1", |
| "saltLen": 20 |
| }] |
| }] |
| }] |
| }, |
| { |
| "algorithm": "CMAC-AES", |
| "acvptoolTestOnly": true, |
| "revision": "1.0", |
| "capabilities": [{ |
| "direction": ["gen", "ver"], |
| "msgLen": [{ |
| "min": 0, |
| "max": 524288, |
| "increment": 8 |
| }], |
| "keyLen": [128, 256], |
| "macLen": [{ |
| "min": 8, |
| "max": 128, |
| "increment": 8 |
| }] |
| }] |
| }, |
| { |
| "algorithm": "KAS-ECC-SSC", |
| "revision": "Sp800-56Ar3", |
| "scheme": { |
| "ephemeralUnified": { |
| "kasRole": [ |
| "initiator", |
| "responder" |
| ] |
| }, |
| "staticUnified": { |
| "kasRole": [ |
| "initiator", |
| "responder" |
| ] |
| } |
| }, |
| "domainParameterGenerationMethods": [ |
| "P-224", |
| "P-256", |
| "P-384", |
| "P-521" |
| ] |
| }, |
| { |
| "algorithm": "KAS-FFC-SSC", |
| "revision": "Sp800-56Ar3", |
| "scheme": { |
| "dhEphem": { |
| "kasRole": [ |
| "initiator" |
| ] |
| } |
| }, |
| "domainParameterGenerationMethods": [ |
| "FB", |
| "FC" |
| ] |
| }, |
| { |
| "algorithm": "KDA", |
| "mode": "HKDF", |
| "revision": "Sp800-56Cr1", |
| "fixedInfoPattern": "uPartyInfo||vPartyInfo", |
| "encoding": [ |
| "concatenation" |
| ], |
| "hmacAlg": [ |
| "SHA2-224", |
| "SHA2-256", |
| "SHA2-384", |
| "SHA2-512", |
| "SHA2-512/256" |
| ], |
| "macSaltMethods": [ |
| "default", |
| "random" |
| ], |
| "l": 2048, |
| "z": [ |
| { |
| "min": 224, |
| "max": 65336, |
| "increment": 8 |
| } |
| ] |
| }, |
| { |
| "algorithm": "TLS-v1.2", |
| "mode": "KDF", |
| "revision": "RFC7627", |
| "hashAlg": [ |
| "SHA2-256", |
| "SHA2-384", |
| "SHA2-512" |
| ] |
| }, |
| { |
| "algorithm": "TLS-v1.3", |
| "mode": "KDF", |
| "revision": "RFC8446", |
| "hmacAlg": [ |
| "SHA2-256", |
| "SHA2-384" |
| ], |
| "runningMode": [ |
| "DHE", |
| "PSK", |
| "PSK-DHE" |
| ] |
| } |
| ])"; |
| return write_reply({Span<const uint8_t>( |
| reinterpret_cast<const uint8_t *>(kConfig), sizeof(kConfig) - 1)}); |
| } |
| |
| static bool Flush(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| fprintf( |
| stderr, |
| "modulewrapper code processed a `flush` command but this must be handled " |
| "at a higher-level. See the example in main.cc in BoringSSL\n"); |
| abort(); |
| } |
| |
| template <uint8_t *(*OneShotHash)(const uint8_t *, size_t, uint8_t *), |
| size_t DigestLength> |
| static bool Hash(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| uint8_t digest[DigestLength]; |
| OneShotHash(args[0].data(), args[0].size(), digest); |
| return write_reply({Span<const uint8_t>(digest)}); |
| } |
| |
| template <uint8_t *(*OneShotHash)(const uint8_t *, size_t, uint8_t *), |
| size_t DigestLength> |
| static bool HashMCT(const Span<const uint8_t> args[], |
| ReplyCallback write_reply) { |
| if (args[0].size() != DigestLength) { |
| return false; |
| } |
| |
| uint8_t buf[DigestLength * 3]; |
| memcpy(buf, args[0].data(), DigestLength); |
| memcpy(buf + DigestLength, args[0].data(), DigestLength); |
| memcpy(buf + 2 * DigestLength, args[0].data(), DigestLength); |
| |
| for (size_t i = 0; i < 1000; i++) { |
| uint8_t digest[DigestLength]; |
| OneShotHash(buf, sizeof(buf), digest); |
| memmove(buf, buf + DigestLength, DigestLength * 2); |
| memcpy(buf + DigestLength * 2, digest, DigestLength); |
| } |
| |
| return write_reply( |
| {Span<const uint8_t>(buf + 2 * DigestLength, DigestLength)}); |
| } |
| |
| static uint32_t GetIterations(const Span<const uint8_t> iterations_bytes) { |
| uint32_t iterations; |
| if (iterations_bytes.size() != sizeof(iterations)) { |
| LOG_ERROR( |
| "Expected %u-byte input for number of iterations, but found %u " |
| "bytes.\n", |
| static_cast<unsigned>(sizeof(iterations)), |
| static_cast<unsigned>(iterations_bytes.size())); |
| abort(); |
| } |
| |
| memcpy(&iterations, iterations_bytes.data(), sizeof(iterations)); |
| if (iterations == 0 || iterations == UINT32_MAX) { |
| LOG_ERROR("Invalid number of iterations: %x.\n", |
| static_cast<unsigned>(iterations)); |
| abort(); |
| } |
| |
| return iterations; |
| } |
| |
| template <int (*SetKey)(const uint8_t *key, unsigned bits, AES_KEY *out), |
| void (*Block)(const uint8_t *in, uint8_t *out, const AES_KEY *key)> |
| static bool AES(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| AES_KEY key; |
| if (SetKey(args[0].data(), args[0].size() * 8, &key) != 0) { |
| return false; |
| } |
| if (args[1].size() % AES_BLOCK_SIZE != 0) { |
| return false; |
| } |
| std::vector<uint8_t> result(args[1].begin(), args[1].end()); |
| const uint32_t iterations = GetIterations(args[2]); |
| |
| std::vector<uint8_t> prev_result; |
| for (uint32_t j = 0; j < iterations; j++) { |
| if (j == iterations - 1) { |
| prev_result = result; |
| } |
| |
| for (size_t i = 0; i < args[1].size(); i += AES_BLOCK_SIZE) { |
| Block(result.data() + i, result.data() + i, &key); |
| } |
| } |
| |
| return write_reply( |
| {Span<const uint8_t>(result), Span<const uint8_t>(prev_result)}); |
| } |
| |
| template <int (*SetKey)(const uint8_t *key, unsigned bits, AES_KEY *out), |
| int Direction> |
| static bool AES_CBC(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| AES_KEY key; |
| if (SetKey(args[0].data(), args[0].size() * 8, &key) != 0) { |
| return false; |
| } |
| if (args[1].size() % AES_BLOCK_SIZE != 0 || args[1].empty() || |
| args[2].size() != AES_BLOCK_SIZE) { |
| return false; |
| } |
| std::vector<uint8_t> input(args[1].begin(), args[1].end()); |
| std::vector<uint8_t> iv(args[2].begin(), args[2].end()); |
| const uint32_t iterations = GetIterations(args[3]); |
| |
| std::vector<uint8_t> result(input.size()); |
| std::vector<uint8_t> prev_result, prev_input; |
| |
| for (uint32_t j = 0; j < iterations; j++) { |
| prev_result = result; |
| if (j > 0) { |
| if (Direction == AES_ENCRYPT) { |
| iv = result; |
| } else { |
| iv = prev_input; |
| } |
| } |
| |
| // AES_cbc_encrypt will mutate the given IV, but we need it later. |
| uint8_t iv_copy[AES_BLOCK_SIZE]; |
| memcpy(iv_copy, iv.data(), sizeof(iv_copy)); |
| AES_cbc_encrypt(input.data(), result.data(), input.size(), &key, iv_copy, |
| Direction); |
| |
| if (Direction == AES_DECRYPT) { |
| prev_input = input; |
| } |
| |
| if (j == 0) { |
| input = iv; |
| } else { |
| input = prev_result; |
| } |
| } |
| |
| return write_reply( |
| {Span<const uint8_t>(result), Span<const uint8_t>(prev_result)}); |
| } |
| |
| static bool AES_CTR(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| static const uint32_t kOneIteration = 1; |
| if (args[3].size() != sizeof(kOneIteration) || |
| memcmp(args[3].data(), &kOneIteration, sizeof(kOneIteration))) { |
| LOG_ERROR("Only a single iteration supported with AES-CTR\n"); |
| return false; |
| } |
| |
| AES_KEY key; |
| if (AES_set_encrypt_key(args[0].data(), args[0].size() * 8, &key) != 0) { |
| return false; |
| } |
| if (args[2].size() != AES_BLOCK_SIZE) { |
| return false; |
| } |
| uint8_t iv[AES_BLOCK_SIZE]; |
| memcpy(iv, args[2].data(), AES_BLOCK_SIZE); |
| if (GetIterations(args[3]) != 1) { |
| LOG_ERROR("Multiple iterations of AES-CTR is not supported.\n"); |
| return false; |
| } |
| |
| std::vector<uint8_t> out; |
| out.resize(args[1].size()); |
| unsigned num = 0; |
| uint8_t ecount_buf[AES_BLOCK_SIZE]; |
| AES_ctr128_encrypt(args[1].data(), out.data(), args[1].size(), &key, iv, |
| ecount_buf, &num); |
| return write_reply({Span<const uint8_t>(out)}); |
| } |
| |
| static bool AESGCMSetup(EVP_AEAD_CTX *ctx, Span<const uint8_t> tag_len_span, |
| Span<const uint8_t> key) { |
| if (tag_len_span.size() != sizeof(uint32_t)) { |
| LOG_ERROR("Tag size value is %u bytes, not an uint32_t\n", |
| static_cast<unsigned>(tag_len_span.size())); |
| return false; |
| } |
| const uint32_t tag_len_32 = CRYPTO_load_u32_le(tag_len_span.data()); |
| |
| const EVP_AEAD *aead; |
| switch (key.size()) { |
| case 16: |
| aead = EVP_aead_aes_128_gcm(); |
| break; |
| case 24: |
| aead = EVP_aead_aes_192_gcm(); |
| break; |
| case 32: |
| aead = EVP_aead_aes_256_gcm(); |
| break; |
| default: |
| LOG_ERROR("Bad AES-GCM key length %u\n", |
| static_cast<unsigned>(key.size())); |
| return false; |
| } |
| |
| if (!EVP_AEAD_CTX_init(ctx, aead, key.data(), key.size(), tag_len_32, |
| nullptr)) { |
| LOG_ERROR("Failed to setup AES-GCM with tag length %u\n", |
| static_cast<unsigned>(tag_len_32)); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool AESGCMRandNonceSetup(EVP_AEAD_CTX *ctx, |
| Span<const uint8_t> tag_len_span, |
| Span<const uint8_t> key) { |
| if (tag_len_span.size() != sizeof(uint32_t)) { |
| LOG_ERROR("Tag size value is %u bytes, not an uint32_t\n", |
| static_cast<unsigned>(tag_len_span.size())); |
| return false; |
| } |
| const uint32_t tag_len_32 = CRYPTO_load_u32_le(tag_len_span.data()); |
| |
| const EVP_AEAD *aead; |
| switch (key.size()) { |
| case 16: |
| aead = EVP_aead_aes_128_gcm_randnonce(); |
| break; |
| case 32: |
| aead = EVP_aead_aes_256_gcm_randnonce(); |
| break; |
| default: |
| LOG_ERROR("Bad AES-GCM key length %u\n", |
| static_cast<unsigned>(key.size())); |
| return false; |
| } |
| |
| constexpr size_t kNonceLength = 12; |
| if (!EVP_AEAD_CTX_init(ctx, aead, key.data(), key.size(), |
| tag_len_32 + kNonceLength, nullptr)) { |
| LOG_ERROR("Failed to setup AES-GCM with tag length %u\n", |
| static_cast<unsigned>(tag_len_32)); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool AESCCMSetup(EVP_AEAD_CTX *ctx, Span<const uint8_t> tag_len_span, |
| Span<const uint8_t> key) { |
| uint32_t tag_len_32; |
| if (tag_len_span.size() != sizeof(tag_len_32)) { |
| LOG_ERROR("Tag size value is %u bytes, not an uint32_t\n", |
| static_cast<unsigned>(tag_len_span.size())); |
| return false; |
| } |
| memcpy(&tag_len_32, tag_len_span.data(), sizeof(tag_len_32)); |
| const EVP_AEAD *aead; |
| switch (tag_len_32) { |
| case 4: |
| aead = EVP_aead_aes_128_ccm_bluetooth(); |
| break; |
| |
| case 8: |
| aead = EVP_aead_aes_128_ccm_bluetooth_8(); |
| break; |
| |
| default: |
| LOG_ERROR( |
| "AES-CCM only supports 4- and 8-byte tags, but %u was requested\n", |
| static_cast<unsigned>(tag_len_32)); |
| return false; |
| } |
| |
| if (key.size() != 16) { |
| LOG_ERROR("AES-CCM only supports 128-bit keys, but %u bits were given\n", |
| static_cast<unsigned>(key.size() * 8)); |
| return false; |
| } |
| |
| if (!EVP_AEAD_CTX_init(ctx, aead, key.data(), key.size(), tag_len_32, |
| nullptr)) { |
| LOG_ERROR("Failed to setup AES-CCM with tag length %u\n", |
| static_cast<unsigned>(tag_len_32)); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| template <bool (*SetupFunc)(EVP_AEAD_CTX *ctx, Span<const uint8_t> tag_len_span, |
| Span<const uint8_t> key)> |
| static bool AEADSeal(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> tag_len_span = args[0]; |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> plaintext = args[2]; |
| Span<const uint8_t> nonce = args[3]; |
| Span<const uint8_t> ad = args[4]; |
| |
| bssl::ScopedEVP_AEAD_CTX ctx; |
| if (!SetupFunc(ctx.get(), tag_len_span, key)) { |
| return false; |
| } |
| |
| if (EVP_AEAD_MAX_OVERHEAD + plaintext.size() < EVP_AEAD_MAX_OVERHEAD) { |
| return false; |
| } |
| std::vector<uint8_t> out(EVP_AEAD_MAX_OVERHEAD + plaintext.size()); |
| |
| size_t out_len; |
| if (!EVP_AEAD_CTX_seal(ctx.get(), out.data(), &out_len, out.size(), |
| nonce.data(), nonce.size(), plaintext.data(), |
| plaintext.size(), ad.data(), ad.size())) { |
| return false; |
| } |
| |
| out.resize(out_len); |
| return write_reply({Span<const uint8_t>(out)}); |
| } |
| |
| template <bool (*SetupFunc)(EVP_AEAD_CTX *ctx, Span<const uint8_t> tag_len_span, |
| Span<const uint8_t> key)> |
| static bool AEADOpen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> tag_len_span = args[0]; |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> ciphertext = args[2]; |
| Span<const uint8_t> nonce = args[3]; |
| Span<const uint8_t> ad = args[4]; |
| |
| bssl::ScopedEVP_AEAD_CTX ctx; |
| if (!SetupFunc(ctx.get(), tag_len_span, key)) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(ciphertext.size()); |
| size_t out_len; |
| uint8_t success_flag[1] = {0}; |
| |
| if (!EVP_AEAD_CTX_open(ctx.get(), out.data(), &out_len, out.size(), |
| nonce.data(), nonce.size(), ciphertext.data(), |
| ciphertext.size(), ad.data(), ad.size())) { |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>()}); |
| } |
| |
| out.resize(out_len); |
| success_flag[0] = 1; |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>(out)}); |
| } |
| |
| static bool AESPaddedKeyWrapSetup(AES_KEY *out, bool decrypt, |
| Span<const uint8_t> key) { |
| if ((decrypt ? AES_set_decrypt_key : AES_set_encrypt_key)( |
| key.data(), key.size() * 8, out) != 0) { |
| LOG_ERROR("Invalid AES key length for AES-KW(P): %u\n", |
| static_cast<unsigned>(key.size())); |
| return false; |
| } |
| return true; |
| } |
| |
| static bool AESKeyWrapSetup(AES_KEY *out, bool decrypt, Span<const uint8_t> key, |
| Span<const uint8_t> input) { |
| if (!AESPaddedKeyWrapSetup(out, decrypt, key)) { |
| return false; |
| } |
| |
| if (input.size() % 8) { |
| LOG_ERROR("Invalid AES-KW input length: %u\n", |
| static_cast<unsigned>(input.size())); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static bool AESKeyWrapSeal(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> plaintext = args[2]; |
| |
| AES_KEY aes; |
| if (!AESKeyWrapSetup(&aes, /*decrypt=*/false, key, plaintext) || |
| plaintext.size() > INT_MAX - 8) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(plaintext.size() + 8); |
| if (AES_wrap_key(&aes, /*iv=*/nullptr, out.data(), plaintext.data(), |
| plaintext.size()) != static_cast<int>(out.size())) { |
| LOG_ERROR("AES-KW failed\n"); |
| return false; |
| } |
| |
| return write_reply({Span<const uint8_t>(out)}); |
| } |
| |
| static bool AESKeyWrapOpen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> ciphertext = args[2]; |
| |
| AES_KEY aes; |
| if (!AESKeyWrapSetup(&aes, /*decrypt=*/true, key, ciphertext) || |
| ciphertext.size() < 8 || ciphertext.size() > INT_MAX) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(ciphertext.size() - 8); |
| uint8_t success_flag[1] = {0}; |
| if (AES_unwrap_key(&aes, /*iv=*/nullptr, out.data(), ciphertext.data(), |
| ciphertext.size()) != static_cast<int>(out.size())) { |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>()}); |
| } |
| |
| success_flag[0] = 1; |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>(out)}); |
| } |
| |
| static bool AESPaddedKeyWrapSeal(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> plaintext = args[2]; |
| |
| AES_KEY aes; |
| if (!AESPaddedKeyWrapSetup(&aes, /*decrypt=*/false, key) || |
| plaintext.size() + 15 < 15) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(plaintext.size() + 15); |
| size_t out_len; |
| if (!AES_wrap_key_padded(&aes, out.data(), &out_len, out.size(), |
| plaintext.data(), plaintext.size())) { |
| LOG_ERROR("AES-KWP failed\n"); |
| return false; |
| } |
| |
| out.resize(out_len); |
| return write_reply({Span<const uint8_t>(out)}); |
| } |
| |
| static bool AESPaddedKeyWrapOpen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| Span<const uint8_t> key = args[1]; |
| Span<const uint8_t> ciphertext = args[2]; |
| |
| AES_KEY aes; |
| if (!AESPaddedKeyWrapSetup(&aes, /*decrypt=*/true, key) || |
| ciphertext.size() % 8) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(ciphertext.size()); |
| size_t out_len; |
| uint8_t success_flag[1] = {0}; |
| if (!AES_unwrap_key_padded(&aes, out.data(), &out_len, out.size(), |
| ciphertext.data(), ciphertext.size())) { |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>()}); |
| } |
| |
| success_flag[0] = 1; |
| out.resize(out_len); |
| return write_reply( |
| {Span<const uint8_t>(success_flag), Span<const uint8_t>(out)}); |
| } |
| |
| template <bool Encrypt> |
| static bool TDES(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const EVP_CIPHER *cipher = EVP_des_ede3(); |
| |
| if (args[0].size() != 24) { |
| LOG_ERROR("Bad key length %u for 3DES.\n", |
| static_cast<unsigned>(args[0].size())); |
| return false; |
| } |
| bssl::ScopedEVP_CIPHER_CTX ctx; |
| if (!EVP_CipherInit_ex(ctx.get(), cipher, nullptr, args[0].data(), nullptr, |
| Encrypt ? 1 : 0) || |
| !EVP_CIPHER_CTX_set_padding(ctx.get(), 0)) { |
| return false; |
| } |
| |
| if (args[1].size() % 8) { |
| LOG_ERROR("Bad input length %u for 3DES.\n", |
| static_cast<unsigned>(args[1].size())); |
| return false; |
| } |
| std::vector<uint8_t> result(args[1].begin(), args[1].end()); |
| |
| const uint32_t iterations = GetIterations(args[2]); |
| std::vector<uint8_t> prev_result, prev_prev_result; |
| |
| for (uint32_t j = 0; j < iterations; j++) { |
| if (j == iterations - 1) { |
| prev_result = result; |
| } else if (iterations >= 2 && j == iterations - 2) { |
| prev_prev_result = result; |
| } |
| |
| int out_len; |
| if (!EVP_CipherUpdate(ctx.get(), result.data(), &out_len, result.data(), |
| result.size()) || |
| out_len != static_cast<int>(result.size())) { |
| return false; |
| } |
| } |
| |
| return write_reply({Span<const uint8_t>(result), |
| Span<const uint8_t>(prev_result), |
| Span<const uint8_t>(prev_prev_result)}); |
| } |
| |
| template <bool Encrypt> |
| static bool TDES_CBC(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const EVP_CIPHER *cipher = EVP_des_ede3_cbc(); |
| |
| if (args[0].size() != 24) { |
| LOG_ERROR("Bad key length %u for 3DES.\n", |
| static_cast<unsigned>(args[0].size())); |
| return false; |
| } |
| |
| if (args[1].size() % 8 || args[1].size() == 0) { |
| LOG_ERROR("Bad input length %u for 3DES.\n", |
| static_cast<unsigned>(args[1].size())); |
| return false; |
| } |
| std::vector<uint8_t> input(args[1].begin(), args[1].end()); |
| |
| if (args[2].size() != EVP_CIPHER_iv_length(cipher)) { |
| LOG_ERROR("Bad IV length %u for 3DES.\n", |
| static_cast<unsigned>(args[2].size())); |
| return false; |
| } |
| std::vector<uint8_t> iv(args[2].begin(), args[2].end()); |
| const uint32_t iterations = GetIterations(args[3]); |
| |
| std::vector<uint8_t> result(input.size()); |
| std::vector<uint8_t> prev_result, prev_prev_result; |
| bssl::ScopedEVP_CIPHER_CTX ctx; |
| if (!EVP_CipherInit_ex(ctx.get(), cipher, nullptr, args[0].data(), iv.data(), |
| Encrypt ? 1 : 0) || |
| !EVP_CIPHER_CTX_set_padding(ctx.get(), 0)) { |
| return false; |
| } |
| |
| for (uint32_t j = 0; j < iterations; j++) { |
| prev_prev_result = prev_result; |
| prev_result = result; |
| |
| int out_len, out_len2; |
| if (!EVP_CipherInit_ex(ctx.get(), nullptr, nullptr, nullptr, iv.data(), |
| -1) || |
| !EVP_CipherUpdate(ctx.get(), result.data(), &out_len, input.data(), |
| input.size()) || |
| !EVP_CipherFinal_ex(ctx.get(), result.data() + out_len, &out_len2) || |
| (out_len + out_len2) != static_cast<int>(result.size())) { |
| return false; |
| } |
| |
| if (Encrypt) { |
| if (j == 0) { |
| input = iv; |
| } else { |
| input = prev_result; |
| } |
| iv = result; |
| } else { |
| iv = input; |
| input = result; |
| } |
| } |
| |
| return write_reply({Span<const uint8_t>(result), |
| Span<const uint8_t>(prev_result), |
| Span<const uint8_t>(prev_prev_result)}); |
| } |
| |
| template <const EVP_MD *HashFunc()> |
| static bool HMAC(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const EVP_MD *const md = HashFunc(); |
| uint8_t digest[EVP_MAX_MD_SIZE]; |
| unsigned digest_len; |
| if (::HMAC(md, args[1].data(), args[1].size(), args[0].data(), args[0].size(), |
| digest, &digest_len) == nullptr) { |
| return false; |
| } |
| return write_reply({Span<const uint8_t>(digest, digest_len)}); |
| } |
| |
| template <const EVP_MD *HashFunc()> |
| static bool HKDF(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const EVP_MD *const md = HashFunc(); |
| const auto key = args[0]; |
| const auto salt = args[1]; |
| const auto info = args[2]; |
| const auto out_len_bytes = args[3]; |
| |
| if (out_len_bytes.size() != sizeof(uint32_t)) { |
| return false; |
| } |
| const uint32_t out_len = CRYPTO_load_u32_le(out_len_bytes.data()); |
| if (out_len > (1 << 24)) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(out_len); |
| if (!::HKDF(out.data(), out_len, md, key.data(), key.size(), salt.data(), |
| salt.size(), info.data(), info.size())) { |
| return false; |
| } |
| return write_reply({out}); |
| } |
| |
| template <const EVP_MD *HashFunc()> |
| static bool HKDFExtract(const Span<const uint8_t> args[], |
| ReplyCallback write_reply) { |
| const EVP_MD *const md = HashFunc(); |
| const auto secret = args[0]; |
| const auto salt = args[1]; |
| |
| std::vector<uint8_t> out(EVP_MD_size(md)); |
| size_t out_len; |
| if (!HKDF_extract(out.data(), &out_len, md, secret.data(), secret.size(), |
| salt.data(), salt.size())) { |
| return false; |
| } |
| assert(out_len == out.size()); |
| return write_reply({out}); |
| } |
| |
| template <const EVP_MD *HashFunc()> |
| static bool HKDFExpandLabel(const Span<const uint8_t> args[], |
| ReplyCallback write_reply) { |
| const EVP_MD *const md = HashFunc(); |
| const auto out_len_bytes = args[0]; |
| const auto secret = args[1]; |
| const auto label = args[2]; |
| const auto hash = args[3]; |
| |
| if (out_len_bytes.size() != sizeof(uint32_t)) { |
| return false; |
| } |
| const uint32_t out_len = CRYPTO_load_u32_le(out_len_bytes.data()); |
| if (out_len > (1 << 24)) { |
| return false; |
| } |
| |
| std::vector<uint8_t> out(out_len); |
| if (!CRYPTO_tls13_hkdf_expand_label(out.data(), out_len, md, secret.data(), |
| secret.size(), label.data(), label.size(), |
| hash.data(), hash.size())) { |
| return false; |
| } |
| return write_reply({out}); |
| } |
| |
| template <bool WithReseed> |
| static bool DRBG(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const auto out_len_bytes = args[0]; |
| const auto entropy = args[1]; |
| const auto personalisation = args[2]; |
| |
| Span<const uint8_t> reseed_additional_data, reseed_entropy, additional_data1, |
| additional_data2, nonce; |
| if (!WithReseed) { |
| additional_data1 = args[3]; |
| additional_data2 = args[4]; |
| nonce = args[5]; |
| } else { |
| reseed_additional_data = args[3]; |
| reseed_entropy = args[4]; |
| additional_data1 = args[5]; |
| additional_data2 = args[6]; |
| nonce = args[7]; |
| } |
| |
| uint32_t out_len; |
| if (out_len_bytes.size() != sizeof(out_len) || |
| entropy.size() != CTR_DRBG_ENTROPY_LEN || |
| (!reseed_entropy.empty() && |
| reseed_entropy.size() != CTR_DRBG_ENTROPY_LEN) || |
| // nonces are not supported |
| nonce.size() != 0) { |
| return false; |
| } |
| memcpy(&out_len, out_len_bytes.data(), sizeof(out_len)); |
| if (out_len > (1 << 24)) { |
| return false; |
| } |
| std::vector<uint8_t> out(out_len); |
| |
| CTR_DRBG_STATE drbg; |
| if (!CTR_DRBG_init(&drbg, entropy.data(), personalisation.data(), |
| personalisation.size()) || |
| (!reseed_entropy.empty() && |
| !CTR_DRBG_reseed(&drbg, reseed_entropy.data(), |
| reseed_additional_data.data(), |
| reseed_additional_data.size())) || |
| !CTR_DRBG_generate(&drbg, out.data(), out_len, additional_data1.data(), |
| additional_data1.size()) || |
| !CTR_DRBG_generate(&drbg, out.data(), out_len, additional_data2.data(), |
| additional_data2.size())) { |
| return false; |
| } |
| |
| return write_reply({Span<const uint8_t>(out)}); |
| } |
| |
| static bool StringEq(Span<const uint8_t> a, const char *b) { |
| const size_t len = strlen(b); |
| return a.size() == len && memcmp(a.data(), b, len) == 0; |
| } |
| |
| static bssl::UniquePtr<EC_KEY> ECKeyFromName(Span<const uint8_t> name) { |
| int nid; |
| if (StringEq(name, "P-224")) { |
| nid = NID_secp224r1; |
| } else if (StringEq(name, "P-256")) { |
| nid = NID_X9_62_prime256v1; |
| } else if (StringEq(name, "P-384")) { |
| nid = NID_secp384r1; |
| } else if (StringEq(name, "P-521")) { |
| nid = NID_secp521r1; |
| } else { |
| return nullptr; |
| } |
| |
| return bssl::UniquePtr<EC_KEY>(EC_KEY_new_by_curve_name(nid)); |
| } |
| |
| static std::vector<uint8_t> BIGNUMBytes(const BIGNUM *bn) { |
| const size_t len = BN_num_bytes(bn); |
| std::vector<uint8_t> ret(len); |
| BN_bn2bin(bn, ret.data()); |
| return ret; |
| } |
| |
| static std::pair<std::vector<uint8_t>, std::vector<uint8_t>> GetPublicKeyBytes( |
| const EC_KEY *key) { |
| bssl::UniquePtr<BIGNUM> x(BN_new()); |
| bssl::UniquePtr<BIGNUM> y(BN_new()); |
| if (!EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(key), |
| EC_KEY_get0_public_key(key), x.get(), |
| y.get(), /*ctx=*/nullptr)) { |
| abort(); |
| } |
| |
| std::vector<uint8_t> x_bytes = BIGNUMBytes(x.get()); |
| std::vector<uint8_t> y_bytes = BIGNUMBytes(y.get()); |
| |
| return std::make_pair(std::move(x_bytes), std::move(y_bytes)); |
| } |
| |
| static bool ECDSAKeyGen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<EC_KEY> key = ECKeyFromName(args[0]); |
| if (!key || !EC_KEY_generate_key_fips(key.get())) { |
| return false; |
| } |
| |
| const auto pub_key = GetPublicKeyBytes(key.get()); |
| std::vector<uint8_t> d_bytes = |
| BIGNUMBytes(EC_KEY_get0_private_key(key.get())); |
| |
| return write_reply({Span<const uint8_t>(d_bytes), |
| Span<const uint8_t>(pub_key.first), |
| Span<const uint8_t>(pub_key.second)}); |
| } |
| |
| static bssl::UniquePtr<BIGNUM> BytesToBIGNUM(Span<const uint8_t> bytes) { |
| bssl::UniquePtr<BIGNUM> bn(BN_new()); |
| BN_bin2bn(bytes.data(), bytes.size(), bn.get()); |
| return bn; |
| } |
| |
| static bool ECDSAKeyVer(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<EC_KEY> key = ECKeyFromName(args[0]); |
| if (!key) { |
| return false; |
| } |
| |
| bssl::UniquePtr<BIGNUM> x(BytesToBIGNUM(args[1])); |
| bssl::UniquePtr<BIGNUM> y(BytesToBIGNUM(args[2])); |
| |
| uint8_t reply[1]; |
| if (!EC_KEY_set_public_key_affine_coordinates(key.get(), x.get(), y.get()) || |
| !EC_KEY_check_fips(key.get())) { |
| reply[0] = 0; |
| } else { |
| reply[0] = 1; |
| } |
| |
| return write_reply({Span<const uint8_t>(reply)}); |
| } |
| |
| static const EVP_MD *HashFromName(Span<const uint8_t> name) { |
| if (StringEq(name, "SHA-1")) { |
| return EVP_sha1(); |
| } else if (StringEq(name, "SHA2-224")) { |
| return EVP_sha224(); |
| } else if (StringEq(name, "SHA2-256")) { |
| return EVP_sha256(); |
| } else if (StringEq(name, "SHA2-384")) { |
| return EVP_sha384(); |
| } else if (StringEq(name, "SHA2-512")) { |
| return EVP_sha512(); |
| } else if (StringEq(name, "SHA2-512/256")) { |
| return EVP_sha512_256(); |
| } else { |
| return nullptr; |
| } |
| } |
| |
| static bool ECDSASigGen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<EC_KEY> key = ECKeyFromName(args[0]); |
| bssl::UniquePtr<BIGNUM> d = BytesToBIGNUM(args[1]); |
| const EVP_MD *hash = HashFromName(args[2]); |
| uint8_t digest[EVP_MAX_MD_SIZE]; |
| unsigned digest_len; |
| if (!key || !hash || |
| !EVP_Digest(args[3].data(), args[3].size(), digest, &digest_len, hash, |
| /*impl=*/nullptr) || |
| !EC_KEY_set_private_key(key.get(), d.get())) { |
| return false; |
| } |
| |
| bssl::UniquePtr<ECDSA_SIG> sig(ECDSA_do_sign(digest, digest_len, key.get())); |
| if (!sig) { |
| return false; |
| } |
| |
| std::vector<uint8_t> r_bytes(BIGNUMBytes(sig->r)); |
| std::vector<uint8_t> s_bytes(BIGNUMBytes(sig->s)); |
| |
| return write_reply( |
| {Span<const uint8_t>(r_bytes), Span<const uint8_t>(s_bytes)}); |
| } |
| |
| static bool ECDSASigVer(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<EC_KEY> key = ECKeyFromName(args[0]); |
| const EVP_MD *hash = HashFromName(args[1]); |
| auto msg = args[2]; |
| bssl::UniquePtr<BIGNUM> x(BytesToBIGNUM(args[3])); |
| bssl::UniquePtr<BIGNUM> y(BytesToBIGNUM(args[4])); |
| bssl::UniquePtr<BIGNUM> r(BytesToBIGNUM(args[5])); |
| bssl::UniquePtr<BIGNUM> s(BytesToBIGNUM(args[6])); |
| ECDSA_SIG sig; |
| sig.r = r.get(); |
| sig.s = s.get(); |
| |
| uint8_t digest[EVP_MAX_MD_SIZE]; |
| unsigned digest_len; |
| if (!key || !hash || |
| !EVP_Digest(msg.data(), msg.size(), digest, &digest_len, hash, |
| /*impl=*/nullptr)) { |
| return false; |
| } |
| |
| uint8_t reply[1]; |
| if (!EC_KEY_set_public_key_affine_coordinates(key.get(), x.get(), y.get()) || |
| !EC_KEY_check_fips(key.get()) || |
| !ECDSA_do_verify(digest, digest_len, &sig, key.get())) { |
| reply[0] = 0; |
| } else { |
| reply[0] = 1; |
| } |
| |
| return write_reply({Span<const uint8_t>(reply)}); |
| } |
| |
| static bool CMAC_AES(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| uint8_t mac[16]; |
| if (!AES_CMAC(mac, args[1].data(), args[1].size(), args[2].data(), |
| args[2].size())) { |
| return false; |
| } |
| |
| uint32_t mac_len; |
| if (args[0].size() != sizeof(mac_len)) { |
| return false; |
| } |
| memcpy(&mac_len, args[0].data(), sizeof(mac_len)); |
| if (mac_len > sizeof(mac)) { |
| return false; |
| } |
| |
| return write_reply({Span<const uint8_t>(mac, mac_len)}); |
| } |
| |
| static bool CMAC_AESVerify(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| // This function is just for testing since libcrypto doesn't do the |
| // verification itself. The regcap doesn't advertise "ver" support. |
| uint8_t mac[16]; |
| if (!AES_CMAC(mac, args[0].data(), args[0].size(), args[1].data(), |
| args[1].size()) || |
| args[2].size() > sizeof(mac)) { |
| return false; |
| } |
| |
| const uint8_t ok = (OPENSSL_memcmp(mac, args[2].data(), args[2].size()) == 0); |
| return write_reply({Span<const uint8_t>(&ok, sizeof(ok))}); |
| } |
| |
| static std::map<unsigned, bssl::UniquePtr<RSA>>& CachedRSAKeys() { |
| static std::map<unsigned, bssl::UniquePtr<RSA>> keys; |
| return keys; |
| } |
| |
| static RSA* GetRSAKey(unsigned bits) { |
| auto it = CachedRSAKeys().find(bits); |
| if (it != CachedRSAKeys().end()) { |
| return it->second.get(); |
| } |
| |
| bssl::UniquePtr<RSA> key(RSA_new()); |
| if (!RSA_generate_key_fips(key.get(), bits, nullptr)) { |
| abort(); |
| } |
| |
| RSA *const ret = key.get(); |
| CachedRSAKeys().emplace(static_cast<unsigned>(bits), std::move(key)); |
| |
| return ret; |
| } |
| |
| static bool RSAKeyGen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| uint32_t bits; |
| if (args[0].size() != sizeof(bits)) { |
| return false; |
| } |
| memcpy(&bits, args[0].data(), sizeof(bits)); |
| |
| bssl::UniquePtr<RSA> key(RSA_new()); |
| if (!RSA_generate_key_fips(key.get(), bits, nullptr)) { |
| LOG_ERROR("RSA_generate_key_fips failed for modulus length %u.\n", bits); |
| return false; |
| } |
| |
| const BIGNUM *n, *e, *d, *p, *q; |
| RSA_get0_key(key.get(), &n, &e, &d); |
| RSA_get0_factors(key.get(), &p, &q); |
| |
| if (!write_reply({BIGNUMBytes(e), BIGNUMBytes(p), BIGNUMBytes(q), |
| BIGNUMBytes(n), BIGNUMBytes(d)})) { |
| return false; |
| } |
| |
| CachedRSAKeys().emplace(static_cast<unsigned>(bits), std::move(key)); |
| return true; |
| } |
| |
| template <const EVP_MD *(MDFunc)(), bool UsePSS> |
| static bool RSASigGen(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| uint32_t bits; |
| if (args[0].size() != sizeof(bits)) { |
| return false; |
| } |
| memcpy(&bits, args[0].data(), sizeof(bits)); |
| const Span<const uint8_t> msg = args[1]; |
| |
| RSA *const key = GetRSAKey(bits); |
| const EVP_MD *const md = MDFunc(); |
| uint8_t digest_buf[EVP_MAX_MD_SIZE]; |
| unsigned digest_len; |
| if (!EVP_Digest(msg.data(), msg.size(), digest_buf, &digest_len, md, NULL)) { |
| return false; |
| } |
| |
| std::vector<uint8_t> sig(RSA_size(key)); |
| size_t sig_len; |
| if (UsePSS) { |
| if (!RSA_sign_pss_mgf1(key, &sig_len, sig.data(), sig.size(), digest_buf, |
| digest_len, md, md, -1)) { |
| return false; |
| } |
| } else { |
| unsigned sig_len_u; |
| if (!RSA_sign(EVP_MD_type(md), digest_buf, digest_len, sig.data(), |
| &sig_len_u, key)) { |
| return false; |
| } |
| sig_len = sig_len_u; |
| } |
| |
| sig.resize(sig_len); |
| |
| return write_reply( |
| {BIGNUMBytes(RSA_get0_n(key)), BIGNUMBytes(RSA_get0_e(key)), sig}); |
| } |
| |
| template <const EVP_MD *(MDFunc)(), bool UsePSS> |
| static bool RSASigVer(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const Span<const uint8_t> n_bytes = args[0]; |
| const Span<const uint8_t> e_bytes = args[1]; |
| const Span<const uint8_t> msg = args[2]; |
| const Span<const uint8_t> sig = args[3]; |
| |
| BIGNUM *n = BN_new(); |
| BIGNUM *e = BN_new(); |
| bssl::UniquePtr<RSA> key(RSA_new()); |
| if (!BN_bin2bn(n_bytes.data(), n_bytes.size(), n) || |
| !BN_bin2bn(e_bytes.data(), e_bytes.size(), e) || |
| !RSA_set0_key(key.get(), n, e, /*d=*/nullptr)) { |
| return false; |
| } |
| |
| const EVP_MD *const md = MDFunc(); |
| uint8_t digest_buf[EVP_MAX_MD_SIZE]; |
| unsigned digest_len; |
| if (!EVP_Digest(msg.data(), msg.size(), digest_buf, &digest_len, md, NULL)) { |
| return false; |
| } |
| |
| uint8_t ok; |
| if (UsePSS) { |
| ok = RSA_verify_pss_mgf1(key.get(), digest_buf, digest_len, md, md, -1, |
| sig.data(), sig.size()); |
| } else { |
| ok = RSA_verify(EVP_MD_type(md), digest_buf, digest_len, sig.data(), |
| sig.size(), key.get()); |
| } |
| ERR_clear_error(); |
| |
| return write_reply({Span<const uint8_t>(&ok, 1)}); |
| } |
| |
| template <const EVP_MD *(MDFunc)()> |
| static bool TLSKDF(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| const Span<const uint8_t> out_len_bytes = args[0]; |
| const Span<const uint8_t> secret = args[1]; |
| const Span<const uint8_t> label = args[2]; |
| const Span<const uint8_t> seed1 = args[3]; |
| const Span<const uint8_t> seed2 = args[4]; |
| const EVP_MD *md = MDFunc(); |
| |
| uint32_t out_len; |
| if (out_len_bytes.size() != sizeof(out_len)) { |
| return 0; |
| } |
| memcpy(&out_len, out_len_bytes.data(), sizeof(out_len)); |
| |
| std::vector<uint8_t> out(static_cast<size_t>(out_len)); |
| if (!CRYPTO_tls1_prf(md, out.data(), out.size(), secret.data(), secret.size(), |
| reinterpret_cast<const char *>(label.data()), |
| label.size(), seed1.data(), seed1.size(), seed2.data(), |
| seed2.size())) { |
| return 0; |
| } |
| |
| return write_reply({out}); |
| } |
| |
| template <int Nid> |
| static bool ECDH(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<BIGNUM> their_x(BytesToBIGNUM(args[0])); |
| bssl::UniquePtr<BIGNUM> their_y(BytesToBIGNUM(args[1])); |
| const Span<const uint8_t> private_key = args[2]; |
| |
| bssl::UniquePtr<EC_KEY> ec_key(EC_KEY_new_by_curve_name(Nid)); |
| bssl::UniquePtr<BN_CTX> ctx(BN_CTX_new()); |
| |
| const EC_GROUP *const group = EC_KEY_get0_group(ec_key.get()); |
| bssl::UniquePtr<EC_POINT> their_point(EC_POINT_new(group)); |
| if (!EC_POINT_set_affine_coordinates_GFp( |
| group, their_point.get(), their_x.get(), their_y.get(), ctx.get())) { |
| LOG_ERROR("Invalid peer point for ECDH.\n"); |
| return false; |
| } |
| |
| if (!private_key.empty()) { |
| bssl::UniquePtr<BIGNUM> our_k(BytesToBIGNUM(private_key)); |
| if (!EC_KEY_set_private_key(ec_key.get(), our_k.get())) { |
| LOG_ERROR("EC_KEY_set_private_key failed.\n"); |
| return false; |
| } |
| |
| bssl::UniquePtr<EC_POINT> our_pub(EC_POINT_new(group)); |
| if (!EC_POINT_mul(group, our_pub.get(), our_k.get(), nullptr, nullptr, |
| ctx.get()) || |
| !EC_KEY_set_public_key(ec_key.get(), our_pub.get())) { |
| LOG_ERROR("Calculating public key failed.\n"); |
| return false; |
| } |
| } else if (!EC_KEY_generate_key_fips(ec_key.get())) { |
| LOG_ERROR("EC_KEY_generate_key_fips failed.\n"); |
| return false; |
| } |
| |
| // The output buffer is one larger than |EC_MAX_BYTES| so that truncation |
| // can be detected. |
| std::vector<uint8_t> output(EC_MAX_BYTES + 1); |
| const int out_len = |
| ECDH_compute_key(output.data(), output.size(), their_point.get(), |
| ec_key.get(), /*kdf=*/nullptr); |
| if (out_len < 0) { |
| LOG_ERROR("ECDH_compute_key failed.\n"); |
| return false; |
| } else if (static_cast<size_t>(out_len) == output.size()) { |
| LOG_ERROR("ECDH_compute_key output may have been truncated.\n"); |
| return false; |
| } |
| output.resize(static_cast<size_t>(out_len)); |
| |
| const EC_POINT *pub = EC_KEY_get0_public_key(ec_key.get()); |
| bssl::UniquePtr<BIGNUM> x(BN_new()); |
| bssl::UniquePtr<BIGNUM> y(BN_new()); |
| if (!EC_POINT_get_affine_coordinates_GFp(group, pub, x.get(), y.get(), |
| ctx.get())) { |
| LOG_ERROR("EC_POINT_get_affine_coordinates_GFp failed.\n"); |
| return false; |
| } |
| |
| return write_reply({BIGNUMBytes(x.get()), BIGNUMBytes(y.get()), output}); |
| } |
| |
| static bool FFDH(const Span<const uint8_t> args[], ReplyCallback write_reply) { |
| bssl::UniquePtr<BIGNUM> p(BytesToBIGNUM(args[0])); |
| bssl::UniquePtr<BIGNUM> q(BytesToBIGNUM(args[1])); |
| bssl::UniquePtr<BIGNUM> g(BytesToBIGNUM(args[2])); |
| bssl::UniquePtr<BIGNUM> their_pub(BytesToBIGNUM(args[3])); |
| const Span<const uint8_t> private_key_span = args[4]; |
| const Span<const uint8_t> public_key_span = args[5]; |
| |
| bssl::UniquePtr<DH> dh(DH_new()); |
| if (!DH_set0_pqg(dh.get(), p.get(), q.get(), g.get())) { |
| LOG_ERROR("DH_set0_pqg failed.\n"); |
| return 0; |
| } |
| |
| // DH_set0_pqg took ownership of these values. |
| p.release(); |
| q.release(); |
| g.release(); |
| |
| if (!private_key_span.empty()) { |
| bssl::UniquePtr<BIGNUM> private_key(BytesToBIGNUM(private_key_span)); |
| bssl::UniquePtr<BIGNUM> public_key(BytesToBIGNUM(public_key_span)); |
| |
| if (!DH_set0_key(dh.get(), public_key.get(), private_key.get())) { |
| LOG_ERROR("DH_set0_key failed.\n"); |
| return 0; |
| } |
| |
| // DH_set0_key took ownership of these values. |
| public_key.release(); |
| private_key.release(); |
| } else if (!DH_generate_key(dh.get())) { |
| LOG_ERROR("DH_generate_key failed.\n"); |
| return false; |
| } |
| |
| std::vector<uint8_t> z(DH_size(dh.get())); |
| if (DH_compute_key_padded(z.data(), their_pub.get(), dh.get()) != |
| static_cast<int>(z.size())) { |
| LOG_ERROR("DH_compute_key_hashed failed.\n"); |
| return false; |
| } |
| |
| return write_reply({BIGNUMBytes(DH_get0_pub_key(dh.get())), z}); |
| } |
| |
| static constexpr struct { |
| char name[kMaxNameLength + 1]; |
| uint8_t num_expected_args; |
| bool (*handler)(const Span<const uint8_t> args[], ReplyCallback write_reply); |
| } kFunctions[] = { |
| {"getConfig", 0, GetConfig}, |
| {"flush", 0, Flush}, |
| {"SHA-1", 1, Hash<SHA1, SHA_DIGEST_LENGTH>}, |
| {"SHA2-224", 1, Hash<SHA224, SHA224_DIGEST_LENGTH>}, |
| {"SHA2-256", 1, Hash<SHA256, SHA256_DIGEST_LENGTH>}, |
| {"SHA2-384", 1, Hash<SHA384, SHA384_DIGEST_LENGTH>}, |
| {"SHA2-512", 1, Hash<SHA512, SHA512_DIGEST_LENGTH>}, |
| {"SHA2-512/256", 1, Hash<SHA512_256, SHA512_256_DIGEST_LENGTH>}, |
| {"SHA-1/MCT", 1, HashMCT<SHA1, SHA_DIGEST_LENGTH>}, |
| {"SHA2-224/MCT", 1, HashMCT<SHA224, SHA224_DIGEST_LENGTH>}, |
| {"SHA2-256/MCT", 1, HashMCT<SHA256, SHA256_DIGEST_LENGTH>}, |
| {"SHA2-384/MCT", 1, HashMCT<SHA384, SHA384_DIGEST_LENGTH>}, |
| {"SHA2-512/MCT", 1, HashMCT<SHA512, SHA512_DIGEST_LENGTH>}, |
| {"SHA2-512/256/MCT", 1, HashMCT<SHA512_256, SHA512_256_DIGEST_LENGTH>}, |
| {"AES/encrypt", 3, AES<AES_set_encrypt_key, AES_encrypt>}, |
| {"AES/decrypt", 3, AES<AES_set_decrypt_key, AES_decrypt>}, |
| {"AES-CBC/encrypt", 4, AES_CBC<AES_set_encrypt_key, AES_ENCRYPT>}, |
| {"AES-CBC/decrypt", 4, AES_CBC<AES_set_decrypt_key, AES_DECRYPT>}, |
| {"AES-CTR/encrypt", 4, AES_CTR}, |
| {"AES-CTR/decrypt", 4, AES_CTR}, |
| {"AES-GCM/seal", 5, AEADSeal<AESGCMSetup>}, |
| {"AES-GCM/open", 5, AEADOpen<AESGCMSetup>}, |
| {"AES-GCM-randnonce/seal", 5, AEADSeal<AESGCMRandNonceSetup>}, |
| {"AES-GCM-randnonce/open", 5, AEADOpen<AESGCMRandNonceSetup>}, |
| {"AES-KW/seal", 5, AESKeyWrapSeal}, |
| {"AES-KW/open", 5, AESKeyWrapOpen}, |
| {"AES-KWP/seal", 5, AESPaddedKeyWrapSeal}, |
| {"AES-KWP/open", 5, AESPaddedKeyWrapOpen}, |
| {"AES-CCM/seal", 5, AEADSeal<AESCCMSetup>}, |
| {"AES-CCM/open", 5, AEADOpen<AESCCMSetup>}, |
| {"3DES-ECB/encrypt", 3, TDES<true>}, |
| {"3DES-ECB/decrypt", 3, TDES<false>}, |
| {"3DES-CBC/encrypt", 4, TDES_CBC<true>}, |
| {"3DES-CBC/decrypt", 4, TDES_CBC<false>}, |
| {"HKDF/SHA2-224", 4, HKDF<EVP_sha224>}, |
| {"HKDF/SHA2-256", 4, HKDF<EVP_sha256>}, |
| {"HKDF/SHA2-384", 4, HKDF<EVP_sha384>}, |
| {"HKDF/SHA2-512", 4, HKDF<EVP_sha512>}, |
| {"HKDF/SHA2-512/256", 4, HKDF<EVP_sha512_256>}, |
| {"HKDFExpandLabel/SHA2-256", 4, HKDFExpandLabel<EVP_sha256>}, |
| {"HKDFExpandLabel/SHA2-384", 4, HKDFExpandLabel<EVP_sha384>}, |
| {"HKDFExtract/SHA2-256", 2, HKDFExtract<EVP_sha256>}, |
| {"HKDFExtract/SHA2-384", 2, HKDFExtract<EVP_sha384>}, |
| {"HMAC-SHA-1", 2, HMAC<EVP_sha1>}, |
| {"HMAC-SHA2-224", 2, HMAC<EVP_sha224>}, |
| {"HMAC-SHA2-256", 2, HMAC<EVP_sha256>}, |
| {"HMAC-SHA2-384", 2, HMAC<EVP_sha384>}, |
| {"HMAC-SHA2-512", 2, HMAC<EVP_sha512>}, |
| {"HMAC-SHA2-512/256", 2, HMAC<EVP_sha512_256>}, |
| {"ctrDRBG/AES-256", 6, DRBG<false>}, |
| {"ctrDRBG-reseed/AES-256", 8, DRBG<true>}, |
| {"ECDSA/keyGen", 1, ECDSAKeyGen}, |
| {"ECDSA/keyVer", 3, ECDSAKeyVer}, |
| {"ECDSA/sigGen", 4, ECDSASigGen}, |
| {"ECDSA/sigVer", 7, ECDSASigVer}, |
| {"CMAC-AES", 3, CMAC_AES}, |
| {"CMAC-AES/verify", 3, CMAC_AESVerify}, |
| {"RSA/keyGen", 1, RSAKeyGen}, |
| {"RSA/sigGen/SHA2-224/pkcs1v1.5", 2, RSASigGen<EVP_sha224, false>}, |
| {"RSA/sigGen/SHA2-256/pkcs1v1.5", 2, RSASigGen<EVP_sha256, false>}, |
| {"RSA/sigGen/SHA2-384/pkcs1v1.5", 2, RSASigGen<EVP_sha384, false>}, |
| {"RSA/sigGen/SHA2-512/pkcs1v1.5", 2, RSASigGen<EVP_sha512, false>}, |
| {"RSA/sigGen/SHA-1/pkcs1v1.5", 2, RSASigGen<EVP_sha1, false>}, |
| {"RSA/sigGen/SHA2-224/pss", 2, RSASigGen<EVP_sha224, true>}, |
| {"RSA/sigGen/SHA2-256/pss", 2, RSASigGen<EVP_sha256, true>}, |
| {"RSA/sigGen/SHA2-384/pss", 2, RSASigGen<EVP_sha384, true>}, |
| {"RSA/sigGen/SHA2-512/pss", 2, RSASigGen<EVP_sha512, true>}, |
| {"RSA/sigGen/SHA2-512/256/pss", 2, RSASigGen<EVP_sha512_256, true>}, |
| {"RSA/sigGen/SHA-1/pss", 2, RSASigGen<EVP_sha1, true>}, |
| {"RSA/sigVer/SHA2-224/pkcs1v1.5", 4, RSASigVer<EVP_sha224, false>}, |
| {"RSA/sigVer/SHA2-256/pkcs1v1.5", 4, RSASigVer<EVP_sha256, false>}, |
| {"RSA/sigVer/SHA2-384/pkcs1v1.5", 4, RSASigVer<EVP_sha384, false>}, |
| {"RSA/sigVer/SHA2-512/pkcs1v1.5", 4, RSASigVer<EVP_sha512, false>}, |
| {"RSA/sigVer/SHA-1/pkcs1v1.5", 4, RSASigVer<EVP_sha1, false>}, |
| {"RSA/sigVer/SHA2-224/pss", 4, RSASigVer<EVP_sha224, true>}, |
| {"RSA/sigVer/SHA2-256/pss", 4, RSASigVer<EVP_sha256, true>}, |
| {"RSA/sigVer/SHA2-384/pss", 4, RSASigVer<EVP_sha384, true>}, |
| {"RSA/sigVer/SHA2-512/pss", 4, RSASigVer<EVP_sha512, true>}, |
| {"RSA/sigVer/SHA2-512/256/pss", 4, RSASigVer<EVP_sha512_256, true>}, |
| {"RSA/sigVer/SHA-1/pss", 4, RSASigVer<EVP_sha1, true>}, |
| {"TLSKDF/1.2/SHA2-256", 5, TLSKDF<EVP_sha256>}, |
| {"TLSKDF/1.2/SHA2-384", 5, TLSKDF<EVP_sha384>}, |
| {"TLSKDF/1.2/SHA2-512", 5, TLSKDF<EVP_sha512>}, |
| {"ECDH/P-224", 3, ECDH<NID_secp224r1>}, |
| {"ECDH/P-256", 3, ECDH<NID_X9_62_prime256v1>}, |
| {"ECDH/P-384", 3, ECDH<NID_secp384r1>}, |
| {"ECDH/P-521", 3, ECDH<NID_secp521r1>}, |
| {"FFDH", 6, FFDH}, |
| }; |
| |
| Handler FindHandler(Span<const Span<const uint8_t>> args) { |
| const bssl::Span<const uint8_t> algorithm = args[0]; |
| for (const auto &func : kFunctions) { |
| if (algorithm.size() == strlen(func.name) && |
| memcmp(algorithm.data(), func.name, algorithm.size()) == 0) { |
| if (args.size() - 1 != func.num_expected_args) { |
| LOG_ERROR("\'%s\' operation received %zu arguments but expected %u.\n", |
| func.name, args.size() - 1, func.num_expected_args); |
| return nullptr; |
| } |
| |
| return func.handler; |
| } |
| } |
| |
| const std::string name(reinterpret_cast<const char *>(algorithm.data()), |
| algorithm.size()); |
| LOG_ERROR("Unknown operation: %s\n", name.c_str()); |
| return nullptr; |
| } |
| |
| } // namespace acvp |
| } // namespace bssl |
