|  | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 
|  | * All rights reserved. | 
|  | * | 
|  | * This package is an SSL implementation written | 
|  | * by Eric Young (eay@cryptsoft.com). | 
|  | * The implementation was written so as to conform with Netscapes SSL. | 
|  | * | 
|  | * This library is free for commercial and non-commercial use as long as | 
|  | * the following conditions are aheared to.  The following conditions | 
|  | * apply to all code found in this distribution, be it the RC4, RSA, | 
|  | * lhash, DES, etc., code; not just the SSL code.  The SSL documentation | 
|  | * included with this distribution is covered by the same copyright terms | 
|  | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 
|  | * | 
|  | * Copyright remains Eric Young's, and as such any Copyright notices in | 
|  | * the code are not to be removed. | 
|  | * If this package is used in a product, Eric Young should be given attribution | 
|  | * as the author of the parts of the library used. | 
|  | * This can be in the form of a textual message at program startup or | 
|  | * in documentation (online or textual) provided with the package. | 
|  | * | 
|  | * Redistribution and use in source and binary forms, with or without | 
|  | * modification, are permitted provided that the following conditions | 
|  | * are met: | 
|  | * 1. Redistributions of source code must retain the copyright | 
|  | *    notice, this list of conditions and the following disclaimer. | 
|  | * 2. Redistributions in binary form must reproduce the above copyright | 
|  | *    notice, this list of conditions and the following disclaimer in the | 
|  | *    documentation and/or other materials provided with the distribution. | 
|  | * 3. All advertising materials mentioning features or use of this software | 
|  | *    must display the following acknowledgement: | 
|  | *    "This product includes cryptographic software written by | 
|  | *     Eric Young (eay@cryptsoft.com)" | 
|  | *    The word 'cryptographic' can be left out if the rouines from the library | 
|  | *    being used are not cryptographic related :-). | 
|  | * 4. If you include any Windows specific code (or a derivative thereof) from | 
|  | *    the apps directory (application code) you must include an acknowledgement: | 
|  | *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 
|  | * | 
|  | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 
|  | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|  | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
|  | * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | 
|  | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
|  | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
|  | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
|  | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
|  | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
|  | * SUCH DAMAGE. | 
|  | * | 
|  | * The licence and distribution terms for any publically available version or | 
|  | * derivative of this code cannot be changed.  i.e. this code cannot simply be | 
|  | * copied and put under another distribution licence | 
|  | * [including the GNU Public Licence.] */ | 
|  |  | 
|  | #include <openssl/x509.h> | 
|  |  | 
|  | #include <limits.h> | 
|  |  | 
|  | #include <openssl/asn1.h> | 
|  | #include <openssl/digest.h> | 
|  | #include <openssl/dsa.h> | 
|  | #include <openssl/evp.h> | 
|  | #include <openssl/mem.h> | 
|  | #include <openssl/rsa.h> | 
|  | #include <openssl/stack.h> | 
|  |  | 
|  | #include "../asn1/internal.h" | 
|  | #include "internal.h" | 
|  |  | 
|  |  | 
|  | int X509_verify(X509 *x509, EVP_PKEY *pkey) { | 
|  | if (X509_ALGOR_cmp(x509->sig_alg, x509->cert_info->signature)) { | 
|  | OPENSSL_PUT_ERROR(X509, X509_R_SIGNATURE_ALGORITHM_MISMATCH); | 
|  | return 0; | 
|  | } | 
|  | return ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), x509->sig_alg, | 
|  | x509->signature, x509->cert_info, pkey); | 
|  | } | 
|  |  | 
|  | int X509_REQ_verify(X509_REQ *req, EVP_PKEY *pkey) { | 
|  | return ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO), req->sig_alg, | 
|  | req->signature, req->req_info, pkey); | 
|  | } | 
|  |  | 
|  | int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) { | 
|  | asn1_encoding_clear(&x->cert_info->enc); | 
|  | return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature, | 
|  | x->sig_alg, x->signature, x->cert_info, pkey, md)); | 
|  | } | 
|  |  | 
|  | int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx) { | 
|  | asn1_encoding_clear(&x->cert_info->enc); | 
|  | return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature, | 
|  | x->sig_alg, x->signature, x->cert_info, ctx); | 
|  | } | 
|  |  | 
|  | int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md) { | 
|  | asn1_encoding_clear(&x->req_info->enc); | 
|  | return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), x->sig_alg, NULL, | 
|  | x->signature, x->req_info, pkey, md)); | 
|  | } | 
|  |  | 
|  | int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx) { | 
|  | asn1_encoding_clear(&x->req_info->enc); | 
|  | return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), x->sig_alg, NULL, | 
|  | x->signature, x->req_info, ctx); | 
|  | } | 
|  |  | 
|  | int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md) { | 
|  | asn1_encoding_clear(&x->crl->enc); | 
|  | return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), x->crl->sig_alg, | 
|  | x->sig_alg, x->signature, x->crl, pkey, md)); | 
|  | } | 
|  |  | 
|  | int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx) { | 
|  | asn1_encoding_clear(&x->crl->enc); | 
|  | return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO), x->crl->sig_alg, | 
|  | x->sig_alg, x->signature, x->crl, ctx); | 
|  | } | 
|  |  | 
|  | int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md) { | 
|  | return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), x->sig_algor, NULL, | 
|  | x->signature, x->spkac, pkey, md)); | 
|  | } | 
|  |  | 
|  | int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *spki, EVP_PKEY *pkey) { | 
|  | return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC), spki->sig_algor, | 
|  | spki->signature, spki->spkac, pkey)); | 
|  | } | 
|  |  | 
|  | X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl) { | 
|  | return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl); | 
|  | } | 
|  |  | 
|  | int i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl) { | 
|  | return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl); | 
|  | } | 
|  |  | 
|  | X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl) { | 
|  | return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl); | 
|  | } | 
|  |  | 
|  | int i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl) { | 
|  | return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl); | 
|  | } | 
|  |  | 
|  | X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req) { | 
|  | return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req); | 
|  | } | 
|  |  | 
|  | int i2d_X509_REQ_fp(FILE *fp, X509_REQ *req) { | 
|  | return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req); | 
|  | } | 
|  |  | 
|  | X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req) { | 
|  | return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req); | 
|  | } | 
|  |  | 
|  | int i2d_X509_REQ_bio(BIO *bp, X509_REQ *req) { | 
|  | return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req); | 
|  | } | 
|  |  | 
|  |  | 
|  | #define IMPLEMENT_D2I_FP(type, name, bio_func) \ | 
|  | type *name(FILE *fp, type **obj) {           \ | 
|  | BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);    \ | 
|  | if (bio == NULL) {                         \ | 
|  | return NULL;                             \ | 
|  | }                                          \ | 
|  | type *ret = bio_func(bio, obj);            \ | 
|  | BIO_free(bio);                             \ | 
|  | return ret;                                \ | 
|  | } | 
|  |  | 
|  | #define IMPLEMENT_I2D_FP(type, name, bio_func) \ | 
|  | int name(FILE *fp, type *obj) {              \ | 
|  | BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);    \ | 
|  | if (bio == NULL) {                         \ | 
|  | return 0;                                \ | 
|  | }                                          \ | 
|  | int ret = bio_func(bio, obj);              \ | 
|  | BIO_free(bio);                             \ | 
|  | return ret;                                \ | 
|  | } | 
|  |  | 
|  | IMPLEMENT_D2I_FP(X509, d2i_X509_fp, d2i_X509_bio); | 
|  | IMPLEMENT_I2D_FP(X509, i2d_X509_fp, i2d_X509_bio); | 
|  |  | 
|  | IMPLEMENT_D2I_FP(RSA, d2i_RSAPrivateKey_fp, d2i_RSAPrivateKey_bio) | 
|  | IMPLEMENT_I2D_FP(RSA, i2d_RSAPrivateKey_fp, i2d_RSAPrivateKey_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(RSA, d2i_RSAPublicKey_fp, d2i_RSAPublicKey_bio) | 
|  | IMPLEMENT_I2D_FP(RSA, i2d_RSAPublicKey_fp, i2d_RSAPublicKey_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(RSA, d2i_RSA_PUBKEY_fp, d2i_RSA_PUBKEY_bio) | 
|  | IMPLEMENT_I2D_FP(RSA, i2d_RSA_PUBKEY_fp, i2d_RSA_PUBKEY_bio) | 
|  |  | 
|  | #define IMPLEMENT_D2I_BIO(type, name, d2i_func)         \ | 
|  | type *name(BIO *bio, type **obj) {                    \ | 
|  | uint8_t *data;                                      \ | 
|  | size_t len;                                         \ | 
|  | if (!BIO_read_asn1(bio, &data, &len, 100 * 1024)) { \ | 
|  | return NULL;                                      \ | 
|  | }                                                   \ | 
|  | const uint8_t *ptr = data;                          \ | 
|  | type *ret = d2i_func(obj, &ptr, (long)len);         \ | 
|  | OPENSSL_free(data);                                 \ | 
|  | return ret;                                         \ | 
|  | } | 
|  |  | 
|  | #define IMPLEMENT_I2D_BIO(type, name, i2d_func) \ | 
|  | int name(BIO *bio, type *obj) {               \ | 
|  | uint8_t *data = NULL;                       \ | 
|  | int len = i2d_func(obj, &data);             \ | 
|  | if (len < 0) {                              \ | 
|  | return 0;                                 \ | 
|  | }                                           \ | 
|  | int ret = BIO_write_all(bio, data, len);    \ | 
|  | OPENSSL_free(data);                         \ | 
|  | return ret;                                 \ | 
|  | } | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(X509, d2i_X509_bio, d2i_X509) | 
|  | IMPLEMENT_I2D_BIO(X509, i2d_X509_bio, i2d_X509) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(RSA, d2i_RSAPrivateKey_bio, d2i_RSAPrivateKey) | 
|  | IMPLEMENT_I2D_BIO(RSA, i2d_RSAPrivateKey_bio, i2d_RSAPrivateKey) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(RSA, d2i_RSAPublicKey_bio, d2i_RSAPublicKey) | 
|  | IMPLEMENT_I2D_BIO(RSA, i2d_RSAPublicKey_bio, i2d_RSAPublicKey) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(RSA, d2i_RSA_PUBKEY_bio, d2i_RSA_PUBKEY) | 
|  | IMPLEMENT_I2D_BIO(RSA, i2d_RSA_PUBKEY_bio, i2d_RSA_PUBKEY) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(DSA, d2i_DSAPrivateKey_fp, d2i_DSAPrivateKey_bio) | 
|  | IMPLEMENT_I2D_FP(DSA, i2d_DSAPrivateKey_fp, i2d_DSAPrivateKey_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(DSA, d2i_DSA_PUBKEY_fp, d2i_DSA_PUBKEY_bio) | 
|  | IMPLEMENT_I2D_FP(DSA, i2d_DSA_PUBKEY_fp, i2d_DSA_PUBKEY_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(DSA, d2i_DSAPrivateKey_bio, d2i_DSAPrivateKey) | 
|  | IMPLEMENT_I2D_BIO(DSA, i2d_DSAPrivateKey_bio, i2d_DSAPrivateKey) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(DSA, d2i_DSA_PUBKEY_bio, d2i_DSA_PUBKEY) | 
|  | IMPLEMENT_I2D_BIO(DSA, i2d_DSA_PUBKEY_bio, i2d_DSA_PUBKEY) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(EC_KEY, d2i_ECPrivateKey_fp, d2i_ECPrivateKey_bio) | 
|  | IMPLEMENT_I2D_FP(EC_KEY, i2d_ECPrivateKey_fp, i2d_ECPrivateKey_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(EC_KEY, d2i_EC_PUBKEY_fp, d2i_EC_PUBKEY_bio) | 
|  | IMPLEMENT_I2D_FP(EC_KEY, i2d_EC_PUBKEY_fp, i2d_EC_PUBKEY_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(EC_KEY, d2i_ECPrivateKey_bio, d2i_ECPrivateKey) | 
|  | IMPLEMENT_I2D_BIO(EC_KEY, i2d_ECPrivateKey_bio, i2d_ECPrivateKey) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(EC_KEY, d2i_EC_PUBKEY_bio, d2i_EC_PUBKEY) | 
|  | IMPLEMENT_I2D_BIO(EC_KEY, i2d_EC_PUBKEY_bio, i2d_EC_PUBKEY) | 
|  |  | 
|  | int X509_pubkey_digest(const X509 *data, const EVP_MD *type, unsigned char *md, | 
|  | unsigned int *len) { | 
|  | ASN1_BIT_STRING *key; | 
|  | key = X509_get0_pubkey_bitstr(data); | 
|  | if (!key) { | 
|  | return 0; | 
|  | } | 
|  | return EVP_Digest(key->data, key->length, md, len, type, NULL); | 
|  | } | 
|  |  | 
|  | int X509_digest(const X509 *x509, const EVP_MD *md, uint8_t *out, | 
|  | unsigned *out_len) { | 
|  | uint8_t *der = NULL; | 
|  | // TODO(https://crbug.com/boringssl/407): This function is not const-correct. | 
|  | int der_len = i2d_X509((X509 *)x509, &der); | 
|  | if (der_len < 0) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int ret = EVP_Digest(der, der_len, out, out_len, md, NULL); | 
|  | OPENSSL_free(der); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md, | 
|  | unsigned int *len) { | 
|  | return ( | 
|  | ASN1_item_digest(ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len)); | 
|  | } | 
|  |  | 
|  | int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, unsigned char *md, | 
|  | unsigned int *len) { | 
|  | return ( | 
|  | ASN1_item_digest(ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len)); | 
|  | } | 
|  |  | 
|  | int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type, | 
|  | unsigned char *md, unsigned int *len) { | 
|  | return ( | 
|  | ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len)); | 
|  | } | 
|  |  | 
|  | IMPLEMENT_D2I_FP(X509_SIG, d2i_PKCS8_fp, d2i_PKCS8_bio) | 
|  | IMPLEMENT_I2D_FP(X509_SIG, i2d_PKCS8_fp, i2d_PKCS8_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(X509_SIG, d2i_PKCS8_bio, d2i_X509_SIG) | 
|  | IMPLEMENT_I2D_BIO(X509_SIG, i2d_PKCS8_bio, i2d_X509_SIG) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_fp, | 
|  | d2i_PKCS8_PRIV_KEY_INFO_bio) | 
|  | IMPLEMENT_I2D_FP(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_fp, | 
|  | i2d_PKCS8_PRIV_KEY_INFO_bio) | 
|  |  | 
|  | int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, EVP_PKEY *key) { | 
|  | PKCS8_PRIV_KEY_INFO *p8inf; | 
|  | int ret; | 
|  | p8inf = EVP_PKEY2PKCS8(key); | 
|  | if (!p8inf) { | 
|  | return 0; | 
|  | } | 
|  | ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf); | 
|  | PKCS8_PRIV_KEY_INFO_free(p8inf); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PrivateKey_fp, d2i_PrivateKey_bio) | 
|  | IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PrivateKey_fp, i2d_PrivateKey_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_FP(EVP_PKEY, d2i_PUBKEY_fp, d2i_PUBKEY_bio) | 
|  | IMPLEMENT_I2D_FP(EVP_PKEY, i2d_PUBKEY_fp, i2d_PUBKEY_bio) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(PKCS8_PRIV_KEY_INFO, d2i_PKCS8_PRIV_KEY_INFO_bio, | 
|  | d2i_PKCS8_PRIV_KEY_INFO) | 
|  | IMPLEMENT_I2D_BIO(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO_bio, | 
|  | i2d_PKCS8_PRIV_KEY_INFO) | 
|  |  | 
|  | int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, EVP_PKEY *key) { | 
|  | PKCS8_PRIV_KEY_INFO *p8inf; | 
|  | int ret; | 
|  | p8inf = EVP_PKEY2PKCS8(key); | 
|  | if (!p8inf) { | 
|  | return 0; | 
|  | } | 
|  | ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); | 
|  | PKCS8_PRIV_KEY_INFO_free(p8inf); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PrivateKey_bio, d2i_AutoPrivateKey) | 
|  | IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PrivateKey_bio, i2d_PrivateKey) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(EVP_PKEY, d2i_PUBKEY_bio, d2i_PUBKEY) | 
|  | IMPLEMENT_I2D_BIO(EVP_PKEY, i2d_PUBKEY_bio, i2d_PUBKEY) | 
|  |  | 
|  | IMPLEMENT_D2I_BIO(DH, d2i_DHparams_bio, d2i_DHparams) | 
|  | IMPLEMENT_I2D_BIO(const DH, i2d_DHparams_bio, i2d_DHparams) |