Convert evp_test to C++.

Change-Id: I6e51815db2f600f4d9fb4d8b01cc92e128b31bbb
Reviewed-on: https://boringssl-review.googlesource.com/4122
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/evp/evp_test.cc b/crypto/evp/evp_test.cc
new file mode 100644
index 0000000..e2deed7
--- /dev/null
+++ b/crypto/evp/evp_test.cc
@@ -0,0 +1,520 @@
+/* Copyright (c) 2014, 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 <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <vector>
+
+#include <openssl/bio.h>
+#include <openssl/bytestring.h>
+#include <openssl/crypto.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/rsa.h>
+#include <openssl/x509.h>
+
+#include "../test/scoped_types.h"
+
+
+// kExampleRSAKeyDER is an RSA private key in ASN.1, DER format. Of course, you
+// should never use this key anywhere but in an example.
+static const uint8_t kExampleRSAKeyDER[] = {
+    0x30, 0x82, 0x02, 0x5c, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xf8,
+    0xb8, 0x6c, 0x83, 0xb4, 0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5, 0xb4, 0x59,
+    0x76, 0x8c, 0x54, 0x1d, 0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e, 0xd3, 0x37,
+    0xeb, 0x41, 0xfd, 0x83, 0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34, 0x75, 0x71,
+    0x5a, 0x84, 0xa8, 0x3c, 0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde, 0x97, 0x8a,
+    0xdd, 0xff, 0xbb, 0xcf, 0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8, 0x50, 0xe4,
+    0xcd, 0x6f, 0x80, 0x33, 0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b, 0xdc, 0xec,
+    0x5a, 0xca, 0x63, 0xc7, 0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83, 0x58, 0x76,
+    0x20, 0xfa, 0x16, 0x77, 0xd7, 0x79, 0x92, 0x63, 0x01, 0x48, 0x1a, 0xd8,
+    0x7b, 0x67, 0xf1, 0x52, 0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a, 0x5c, 0xd7,
+    0x7a, 0x37, 0x36, 0x0c, 0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2, 0xa7, 0x2c,
+    0x2b, 0xb5, 0xaf, 0x64, 0x4b, 0x61, 0x07, 0x02, 0x03, 0x01, 0x00, 0x01,
+    0x02, 0x81, 0x80, 0x74, 0x88, 0x64, 0x3f, 0x69, 0x45, 0x3a, 0x6d, 0xc7,
+    0x7f, 0xb9, 0xa3, 0xc0, 0x6e, 0xec, 0xdc, 0xd4, 0x5a, 0xb5, 0x32, 0x85,
+    0x5f, 0x19, 0xd4, 0xf8, 0xd4, 0x3f, 0x3c, 0xfa, 0xc2, 0xf6, 0x5f, 0xee,
+    0xe6, 0xba, 0x87, 0x74, 0x2e, 0xc7, 0x0c, 0xd4, 0x42, 0xb8, 0x66, 0x85,
+    0x9c, 0x7b, 0x24, 0x61, 0xaa, 0x16, 0x11, 0xf6, 0xb5, 0xb6, 0xa4, 0x0a,
+    0xc9, 0x55, 0x2e, 0x81, 0xa5, 0x47, 0x61, 0xcb, 0x25, 0x8f, 0xc2, 0x15,
+    0x7b, 0x0e, 0x7c, 0x36, 0x9f, 0x3a, 0xda, 0x58, 0x86, 0x1c, 0x5b, 0x83,
+    0x79, 0xe6, 0x2b, 0xcc, 0xe6, 0xfa, 0x2c, 0x61, 0xf2, 0x78, 0x80, 0x1b,
+    0xe2, 0xf3, 0x9d, 0x39, 0x2b, 0x65, 0x57, 0x91, 0x3d, 0x71, 0x99, 0x73,
+    0xa5, 0xc2, 0x79, 0x20, 0x8c, 0x07, 0x4f, 0xe5, 0xb4, 0x60, 0x1f, 0x99,
+    0xa2, 0xb1, 0x4f, 0x0c, 0xef, 0xbc, 0x59, 0x53, 0x00, 0x7d, 0xb1, 0x02,
+    0x41, 0x00, 0xfc, 0x7e, 0x23, 0x65, 0x70, 0xf8, 0xce, 0xd3, 0x40, 0x41,
+    0x80, 0x6a, 0x1d, 0x01, 0xd6, 0x01, 0xff, 0xb6, 0x1b, 0x3d, 0x3d, 0x59,
+    0x09, 0x33, 0x79, 0xc0, 0x4f, 0xde, 0x96, 0x27, 0x4b, 0x18, 0xc6, 0xd9,
+    0x78, 0xf1, 0xf4, 0x35, 0x46, 0xe9, 0x7c, 0x42, 0x7a, 0x5d, 0x9f, 0xef,
+    0x54, 0xb8, 0xf7, 0x9f, 0xc4, 0x33, 0x6c, 0xf3, 0x8c, 0x32, 0x46, 0x87,
+    0x67, 0x30, 0x7b, 0xa7, 0xac, 0xe3, 0x02, 0x41, 0x00, 0xfc, 0x2c, 0xdf,
+    0x0c, 0x0d, 0x88, 0xf5, 0xb1, 0x92, 0xa8, 0x93, 0x47, 0x63, 0x55, 0xf5,
+    0xca, 0x58, 0x43, 0xba, 0x1c, 0xe5, 0x9e, 0xb6, 0x95, 0x05, 0xcd, 0xb5,
+    0x82, 0xdf, 0xeb, 0x04, 0x53, 0x9d, 0xbd, 0xc2, 0x38, 0x16, 0xb3, 0x62,
+    0xdd, 0xa1, 0x46, 0xdb, 0x6d, 0x97, 0x93, 0x9f, 0x8a, 0xc3, 0x9b, 0x64,
+    0x7e, 0x42, 0xe3, 0x32, 0x57, 0x19, 0x1b, 0xd5, 0x6e, 0x85, 0xfa, 0xb8,
+    0x8d, 0x02, 0x41, 0x00, 0xbc, 0x3d, 0xde, 0x6d, 0xd6, 0x97, 0xe8, 0xba,
+    0x9e, 0x81, 0x37, 0x17, 0xe5, 0xa0, 0x64, 0xc9, 0x00, 0xb7, 0xe7, 0xfe,
+    0xf4, 0x29, 0xd9, 0x2e, 0x43, 0x6b, 0x19, 0x20, 0xbd, 0x99, 0x75, 0xe7,
+    0x76, 0xf8, 0xd3, 0xae, 0xaf, 0x7e, 0xb8, 0xeb, 0x81, 0xf4, 0x9d, 0xfe,
+    0x07, 0x2b, 0x0b, 0x63, 0x0b, 0x5a, 0x55, 0x90, 0x71, 0x7d, 0xf1, 0xdb,
+    0xd9, 0xb1, 0x41, 0x41, 0x68, 0x2f, 0x4e, 0x39, 0x02, 0x40, 0x5a, 0x34,
+    0x66, 0xd8, 0xf5, 0xe2, 0x7f, 0x18, 0xb5, 0x00, 0x6e, 0x26, 0x84, 0x27,
+    0x14, 0x93, 0xfb, 0xfc, 0xc6, 0x0f, 0x5e, 0x27, 0xe6, 0xe1, 0xe9, 0xc0,
+    0x8a, 0xe4, 0x34, 0xda, 0xe9, 0xa2, 0x4b, 0x73, 0xbc, 0x8c, 0xb9, 0xba,
+    0x13, 0x6c, 0x7a, 0x2b, 0x51, 0x84, 0xa3, 0x4a, 0xe0, 0x30, 0x10, 0x06,
+    0x7e, 0xed, 0x17, 0x5a, 0x14, 0x00, 0xc9, 0xef, 0x85, 0xea, 0x52, 0x2c,
+    0xbc, 0x65, 0x02, 0x40, 0x51, 0xe3, 0xf2, 0x83, 0x19, 0x9b, 0xc4, 0x1e,
+    0x2f, 0x50, 0x3d, 0xdf, 0x5a, 0xa2, 0x18, 0xca, 0x5f, 0x2e, 0x49, 0xaf,
+    0x6f, 0xcc, 0xfa, 0x65, 0x77, 0x94, 0xb5, 0xa1, 0x0a, 0xa9, 0xd1, 0x8a,
+    0x39, 0x37, 0xf4, 0x0b, 0xa0, 0xd7, 0x82, 0x27, 0x5e, 0xae, 0x17, 0x17,
+    0xa1, 0x1e, 0x54, 0x34, 0xbf, 0x6e, 0xc4, 0x8e, 0x99, 0x5d, 0x08, 0xf1,
+    0x2d, 0x86, 0x9d, 0xa5, 0x20, 0x1b, 0xe5, 0xdf,
+};
+
+static const uint8_t kMsg[] = {1, 2, 3, 4};
+
+static const uint8_t kSignature[] = {
+    0xa5, 0xf0, 0x8a, 0x47, 0x5d, 0x3c, 0xb3, 0xcc, 0xa9, 0x79, 0xaf, 0x4d,
+    0x8c, 0xae, 0x4c, 0x14, 0xef, 0xc2, 0x0b, 0x34, 0x36, 0xde, 0xf4, 0x3e,
+    0x3d, 0xbb, 0x4a, 0x60, 0x5c, 0xc8, 0x91, 0x28, 0xda, 0xfb, 0x7e, 0x04,
+    0x96, 0x7e, 0x63, 0x13, 0x90, 0xce, 0xb9, 0xb4, 0x62, 0x7a, 0xfd, 0x09,
+    0x3d, 0xc7, 0x67, 0x78, 0x54, 0x04, 0xeb, 0x52, 0x62, 0x6e, 0x24, 0x67,
+    0xb4, 0x40, 0xfc, 0x57, 0x62, 0xc6, 0xf1, 0x67, 0xc1, 0x97, 0x8f, 0x6a,
+    0xa8, 0xae, 0x44, 0x46, 0x5e, 0xab, 0x67, 0x17, 0x53, 0x19, 0x3a, 0xda,
+    0x5a, 0xc8, 0x16, 0x3e, 0x86, 0xd5, 0xc5, 0x71, 0x2f, 0xfc, 0x23, 0x48,
+    0xd9, 0x0b, 0x13, 0xdd, 0x7b, 0x5a, 0x25, 0x79, 0xef, 0xa5, 0x7b, 0x04,
+    0xed, 0x44, 0xf6, 0x18, 0x55, 0xe4, 0x0a, 0xe9, 0x57, 0x79, 0x5d, 0xd7,
+    0x55, 0xa7, 0xab, 0x45, 0x02, 0x97, 0x60, 0x42,
+};
+
+// kExamplePSSCert is an example self-signed certificate, signed with
+// kExampleRSAKeyDER using RSA-PSS with default hash functions.
+static const uint8_t kExamplePSSCert[] = {
+    0x30, 0x82, 0x02, 0x62, 0x30, 0x82, 0x01, 0xc6, 0xa0, 0x03, 0x02, 0x01,
+    0x02, 0x02, 0x09, 0x00, 0x8d, 0xea, 0x53, 0x24, 0xfa, 0x48, 0x87, 0xf3,
+    0x30, 0x12, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+    0x0a, 0x30, 0x05, 0xa2, 0x03, 0x02, 0x01, 0x6a, 0x30, 0x45, 0x31, 0x0b,
+    0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31,
+    0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f,
+    0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f,
+    0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72,
+    0x6e, 0x65, 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20,
+    0x50, 0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x30, 0x1e, 0x17, 0x0d, 0x31,
+    0x34, 0x31, 0x30, 0x30, 0x39, 0x31, 0x39, 0x30, 0x39, 0x35, 0x35, 0x5a,
+    0x17, 0x0d, 0x31, 0x35, 0x31, 0x30, 0x30, 0x39, 0x31, 0x39, 0x30, 0x39,
+    0x35, 0x35, 0x5a, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
+    0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
+    0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74,
+    0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a,
+    0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x57,
+    0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20, 0x50, 0x74, 0x79, 0x20, 0x4c,
+    0x74, 0x64, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
+    0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
+    0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xf8, 0xb8, 0x6c, 0x83, 0xb4,
+    0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5, 0xb4, 0x59, 0x76, 0x8c, 0x54, 0x1d,
+    0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e, 0xd3, 0x37, 0xeb, 0x41, 0xfd, 0x83,
+    0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34, 0x75, 0x71, 0x5a, 0x84, 0xa8, 0x3c,
+    0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde, 0x97, 0x8a, 0xdd, 0xff, 0xbb, 0xcf,
+    0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8, 0x50, 0xe4, 0xcd, 0x6f, 0x80, 0x33,
+    0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b, 0xdc, 0xec, 0x5a, 0xca, 0x63, 0xc7,
+    0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83, 0x58, 0x76, 0x20, 0xfa, 0x16, 0x77,
+    0xd7, 0x79, 0x92, 0x63, 0x01, 0x48, 0x1a, 0xd8, 0x7b, 0x67, 0xf1, 0x52,
+    0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a, 0x5c, 0xd7, 0x7a, 0x37, 0x36, 0x0c,
+    0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2, 0xa7, 0x2c, 0x2b, 0xb5, 0xaf, 0x64,
+    0x4b, 0x61, 0x07, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e,
+    0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xd0,
+    0x41, 0xfb, 0x89, 0x41, 0x1e, 0xa7, 0xad, 0x5a, 0xec, 0x34, 0x5d, 0x49,
+    0x11, 0xf9, 0x55, 0x81, 0x78, 0x1f, 0x13, 0x30, 0x1f, 0x06, 0x03, 0x55,
+    0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xd0, 0x41, 0xfb, 0x89,
+    0x41, 0x1e, 0xa7, 0xad, 0x5a, 0xec, 0x34, 0x5d, 0x49, 0x11, 0xf9, 0x55,
+    0x81, 0x78, 0x1f, 0x13, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04,
+    0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x12, 0x06, 0x09, 0x2a, 0x86,
+    0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0a, 0x30, 0x05, 0xa2, 0x03, 0x02,
+    0x01, 0x6a, 0x03, 0x81, 0x81, 0x00, 0x49, 0x4c, 0xb6, 0x45, 0x97, 0x20,
+    0x35, 0xb3, 0x50, 0x64, 0x0d, 0x3f, 0xec, 0x5f, 0x95, 0xd5, 0x84, 0xcb,
+    0x11, 0x7c, 0x03, 0xd7, 0xa6, 0xe6, 0xfa, 0x24, 0x95, 0x9f, 0x31, 0xb0,
+    0xb5, 0xec, 0x66, 0x41, 0x51, 0x18, 0x21, 0x91, 0xbb, 0xe0, 0xaf, 0xf0,
+    0xc5, 0xb7, 0x59, 0x41, 0xd4, 0xdb, 0xa4, 0xd2, 0x64, 0xa7, 0x54, 0x0f,
+    0x8c, 0xf7, 0xe1, 0xd3, 0x3b, 0x1a, 0xb7, 0x0e, 0x9d, 0x9a, 0xde, 0x50,
+    0xa1, 0x9f, 0x0a, 0xf0, 0xda, 0x34, 0x0e, 0x34, 0x7d, 0x76, 0x07, 0xfe,
+    0x5a, 0xfb, 0xf9, 0x58, 0x9b, 0xc9, 0x50, 0x84, 0x01, 0xa0, 0x05, 0x4d,
+    0x67, 0x42, 0x0b, 0xf8, 0xe4, 0x05, 0xcf, 0xaf, 0x8b, 0x71, 0x31, 0xf1,
+    0x0f, 0x6e, 0xc9, 0x24, 0x27, 0x9b, 0xac, 0x04, 0xd7, 0x64, 0x0d, 0x30,
+    0x4e, 0x11, 0x93, 0x40, 0x39, 0xbb, 0x72, 0xb2, 0xfe, 0x6b, 0xe4, 0xae,
+    0x8c, 0x16,
+};
+
+// kExampleRSAKeyPKCS8 is kExampleRSAKeyDER encoded in a PKCS #8
+// PrivateKeyInfo.
+static const uint8_t kExampleRSAKeyPKCS8[] = {
+    0x30, 0x82, 0x02, 0x76, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a,
+    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82,
+    0x02, 0x60, 0x30, 0x82, 0x02, 0x5c, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81,
+    0x00, 0xf8, 0xb8, 0x6c, 0x83, 0xb4, 0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5,
+    0xb4, 0x59, 0x76, 0x8c, 0x54, 0x1d, 0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e,
+    0xd3, 0x37, 0xeb, 0x41, 0xfd, 0x83, 0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34,
+    0x75, 0x71, 0x5a, 0x84, 0xa8, 0x3c, 0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde,
+    0x97, 0x8a, 0xdd, 0xff, 0xbb, 0xcf, 0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8,
+    0x50, 0xe4, 0xcd, 0x6f, 0x80, 0x33, 0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b,
+    0xdc, 0xec, 0x5a, 0xca, 0x63, 0xc7, 0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83,
+    0x58, 0x76, 0x20, 0xfa, 0x16, 0x77, 0xd7, 0x79, 0x92, 0x63, 0x01, 0x48,
+    0x1a, 0xd8, 0x7b, 0x67, 0xf1, 0x52, 0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a,
+    0x5c, 0xd7, 0x7a, 0x37, 0x36, 0x0c, 0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2,
+    0xa7, 0x2c, 0x2b, 0xb5, 0xaf, 0x64, 0x4b, 0x61, 0x07, 0x02, 0x03, 0x01,
+    0x00, 0x01, 0x02, 0x81, 0x80, 0x74, 0x88, 0x64, 0x3f, 0x69, 0x45, 0x3a,
+    0x6d, 0xc7, 0x7f, 0xb9, 0xa3, 0xc0, 0x6e, 0xec, 0xdc, 0xd4, 0x5a, 0xb5,
+    0x32, 0x85, 0x5f, 0x19, 0xd4, 0xf8, 0xd4, 0x3f, 0x3c, 0xfa, 0xc2, 0xf6,
+    0x5f, 0xee, 0xe6, 0xba, 0x87, 0x74, 0x2e, 0xc7, 0x0c, 0xd4, 0x42, 0xb8,
+    0x66, 0x85, 0x9c, 0x7b, 0x24, 0x61, 0xaa, 0x16, 0x11, 0xf6, 0xb5, 0xb6,
+    0xa4, 0x0a, 0xc9, 0x55, 0x2e, 0x81, 0xa5, 0x47, 0x61, 0xcb, 0x25, 0x8f,
+    0xc2, 0x15, 0x7b, 0x0e, 0x7c, 0x36, 0x9f, 0x3a, 0xda, 0x58, 0x86, 0x1c,
+    0x5b, 0x83, 0x79, 0xe6, 0x2b, 0xcc, 0xe6, 0xfa, 0x2c, 0x61, 0xf2, 0x78,
+    0x80, 0x1b, 0xe2, 0xf3, 0x9d, 0x39, 0x2b, 0x65, 0x57, 0x91, 0x3d, 0x71,
+    0x99, 0x73, 0xa5, 0xc2, 0x79, 0x20, 0x8c, 0x07, 0x4f, 0xe5, 0xb4, 0x60,
+    0x1f, 0x99, 0xa2, 0xb1, 0x4f, 0x0c, 0xef, 0xbc, 0x59, 0x53, 0x00, 0x7d,
+    0xb1, 0x02, 0x41, 0x00, 0xfc, 0x7e, 0x23, 0x65, 0x70, 0xf8, 0xce, 0xd3,
+    0x40, 0x41, 0x80, 0x6a, 0x1d, 0x01, 0xd6, 0x01, 0xff, 0xb6, 0x1b, 0x3d,
+    0x3d, 0x59, 0x09, 0x33, 0x79, 0xc0, 0x4f, 0xde, 0x96, 0x27, 0x4b, 0x18,
+    0xc6, 0xd9, 0x78, 0xf1, 0xf4, 0x35, 0x46, 0xe9, 0x7c, 0x42, 0x7a, 0x5d,
+    0x9f, 0xef, 0x54, 0xb8, 0xf7, 0x9f, 0xc4, 0x33, 0x6c, 0xf3, 0x8c, 0x32,
+    0x46, 0x87, 0x67, 0x30, 0x7b, 0xa7, 0xac, 0xe3, 0x02, 0x41, 0x00, 0xfc,
+    0x2c, 0xdf, 0x0c, 0x0d, 0x88, 0xf5, 0xb1, 0x92, 0xa8, 0x93, 0x47, 0x63,
+    0x55, 0xf5, 0xca, 0x58, 0x43, 0xba, 0x1c, 0xe5, 0x9e, 0xb6, 0x95, 0x05,
+    0xcd, 0xb5, 0x82, 0xdf, 0xeb, 0x04, 0x53, 0x9d, 0xbd, 0xc2, 0x38, 0x16,
+    0xb3, 0x62, 0xdd, 0xa1, 0x46, 0xdb, 0x6d, 0x97, 0x93, 0x9f, 0x8a, 0xc3,
+    0x9b, 0x64, 0x7e, 0x42, 0xe3, 0x32, 0x57, 0x19, 0x1b, 0xd5, 0x6e, 0x85,
+    0xfa, 0xb8, 0x8d, 0x02, 0x41, 0x00, 0xbc, 0x3d, 0xde, 0x6d, 0xd6, 0x97,
+    0xe8, 0xba, 0x9e, 0x81, 0x37, 0x17, 0xe5, 0xa0, 0x64, 0xc9, 0x00, 0xb7,
+    0xe7, 0xfe, 0xf4, 0x29, 0xd9, 0x2e, 0x43, 0x6b, 0x19, 0x20, 0xbd, 0x99,
+    0x75, 0xe7, 0x76, 0xf8, 0xd3, 0xae, 0xaf, 0x7e, 0xb8, 0xeb, 0x81, 0xf4,
+    0x9d, 0xfe, 0x07, 0x2b, 0x0b, 0x63, 0x0b, 0x5a, 0x55, 0x90, 0x71, 0x7d,
+    0xf1, 0xdb, 0xd9, 0xb1, 0x41, 0x41, 0x68, 0x2f, 0x4e, 0x39, 0x02, 0x40,
+    0x5a, 0x34, 0x66, 0xd8, 0xf5, 0xe2, 0x7f, 0x18, 0xb5, 0x00, 0x6e, 0x26,
+    0x84, 0x27, 0x14, 0x93, 0xfb, 0xfc, 0xc6, 0x0f, 0x5e, 0x27, 0xe6, 0xe1,
+    0xe9, 0xc0, 0x8a, 0xe4, 0x34, 0xda, 0xe9, 0xa2, 0x4b, 0x73, 0xbc, 0x8c,
+    0xb9, 0xba, 0x13, 0x6c, 0x7a, 0x2b, 0x51, 0x84, 0xa3, 0x4a, 0xe0, 0x30,
+    0x10, 0x06, 0x7e, 0xed, 0x17, 0x5a, 0x14, 0x00, 0xc9, 0xef, 0x85, 0xea,
+    0x52, 0x2c, 0xbc, 0x65, 0x02, 0x40, 0x51, 0xe3, 0xf2, 0x83, 0x19, 0x9b,
+    0xc4, 0x1e, 0x2f, 0x50, 0x3d, 0xdf, 0x5a, 0xa2, 0x18, 0xca, 0x5f, 0x2e,
+    0x49, 0xaf, 0x6f, 0xcc, 0xfa, 0x65, 0x77, 0x94, 0xb5, 0xa1, 0x0a, 0xa9,
+    0xd1, 0x8a, 0x39, 0x37, 0xf4, 0x0b, 0xa0, 0xd7, 0x82, 0x27, 0x5e, 0xae,
+    0x17, 0x17, 0xa1, 0x1e, 0x54, 0x34, 0xbf, 0x6e, 0xc4, 0x8e, 0x99, 0x5d,
+    0x08, 0xf1, 0x2d, 0x86, 0x9d, 0xa5, 0x20, 0x1b, 0xe5, 0xdf,
+};
+
+// kExampleECKeyDER is a sample EC private key encoded as an ECPrivateKey
+// structure.
+static const uint8_t kExampleECKeyDER[] = {
+    0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x07, 0x0f, 0x08, 0x72, 0x7a,
+    0xd4, 0xa0, 0x4a, 0x9c, 0xdd, 0x59, 0xc9, 0x4d, 0x89, 0x68, 0x77, 0x08,
+    0xb5, 0x6f, 0xc9, 0x5d, 0x30, 0x77, 0x0e, 0xe8, 0xd1, 0xc9, 0xce, 0x0a,
+    0x8b, 0xb4, 0x6a, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d,
+    0x03, 0x01, 0x07, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xe6, 0x2b, 0x69,
+    0xe2, 0xbf, 0x65, 0x9f, 0x97, 0xbe, 0x2f, 0x1e, 0x0d, 0x94, 0x8a, 0x4c,
+    0xd5, 0x97, 0x6b, 0xb7, 0xa9, 0x1e, 0x0d, 0x46, 0xfb, 0xdd, 0xa9, 0xa9,
+    0x1e, 0x9d, 0xdc, 0xba, 0x5a, 0x01, 0xe7, 0xd6, 0x97, 0xa8, 0x0a, 0x18,
+    0xf9, 0xc3, 0xc4, 0xa3, 0x1e, 0x56, 0xe2, 0x7c, 0x83, 0x48, 0xdb, 0x16,
+    0x1a, 0x1c, 0xf5, 0x1d, 0x7e, 0xf1, 0x94, 0x2d, 0x4b, 0xcf, 0x72, 0x22,
+    0xc1,
+};
+
+// kExampleBadECKeyDER is a sample EC private key encoded as an ECPrivateKey
+// structure. The private key is equal to the order and will fail to import.
+static const uint8_t kExampleBadECKeyDER[] = {
+    0x30, 0x66, 0x02, 0x01, 0x00, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48,
+    0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03,
+    0x01, 0x07, 0x04, 0x4C, 0x30, 0x4A, 0x02, 0x01, 0x01, 0x04, 0x20, 0xFF,
+    0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xBC, 0xE6, 0xFA, 0xAD, 0xA7, 0x17, 0x9E, 0x84, 0xF3,
+    0xB9, 0xCA, 0xC2, 0xFC, 0x63, 0x25, 0x51, 0xA1, 0x23, 0x03, 0x21, 0x00,
+    0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+    0xFF, 0xFF, 0xFF, 0xFF, 0xBC, 0xE6, 0xFA, 0xAD, 0xA7, 0x17, 0x9E, 0x84,
+    0xF3, 0xB9, 0xCA, 0xC2, 0xFC, 0x63, 0x25, 0x51
+};
+
+static ScopedEVP_PKEY LoadExampleRSAKey() {
+  const uint8_t *derp = kExampleRSAKeyDER;
+  ScopedRSA rsa(d2i_RSAPrivateKey(nullptr, &derp, sizeof(kExampleRSAKeyDER)));
+  if (!rsa) {
+    return nullptr;
+  }
+  ScopedEVP_PKEY pkey(EVP_PKEY_new());
+  if (!pkey || !EVP_PKEY_set1_RSA(pkey.get(), rsa.get())) {
+    return nullptr;
+  }
+  return pkey;
+}
+
+static bool TestEVP_DigestSignInit(void) {
+  ScopedEVP_PKEY pkey = LoadExampleRSAKey();
+  ScopedEVP_MD_CTX md_ctx;
+  if (!pkey ||
+      !EVP_DigestSignInit(md_ctx.get(), NULL, EVP_sha256(), NULL, pkey.get()) ||
+      !EVP_DigestSignUpdate(md_ctx.get(), kMsg, sizeof(kMsg))) {
+    return false;
+  }
+  // Determine the size of the signature.
+  size_t sig_len = 0;
+  if (!EVP_DigestSignFinal(md_ctx.get(), NULL, &sig_len)) {
+    return false;
+  }
+  // Sanity check for testing.
+  if (sig_len != (size_t)EVP_PKEY_size(pkey.get())) {
+    fprintf(stderr, "sig_len mismatch\n");
+    return false;
+  }
+
+  std::vector<uint8_t> sig;
+  sig.resize(sig_len);
+  if (!EVP_DigestSignFinal(md_ctx.get(), bssl::vector_data(&sig), &sig_len)) {
+    return false;
+  }
+  sig.resize(sig_len);
+
+  // Ensure that the signature round-trips.
+  md_ctx.Reset();
+  if (!EVP_DigestVerifyInit(md_ctx.get(), NULL, EVP_sha256(), NULL, pkey.get()) ||
+      !EVP_DigestVerifyUpdate(md_ctx.get(), kMsg, sizeof(kMsg)) ||
+      !EVP_DigestVerifyFinal(md_ctx.get(), bssl::vector_data(&sig), sig_len)) {
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestEVP_DigestVerifyInit(void) {
+  ScopedEVP_PKEY pkey = LoadExampleRSAKey();
+  ScopedEVP_MD_CTX md_ctx;
+  if (!pkey ||
+      !EVP_DigestVerifyInit(md_ctx.get(), NULL, EVP_sha256(), NULL,
+                            pkey.get()) ||
+      !EVP_DigestVerifyUpdate(md_ctx.get(), kMsg, sizeof(kMsg)) ||
+      !EVP_DigestVerifyFinal(md_ctx.get(), kSignature, sizeof(kSignature))) {
+    return false;
+  }
+  return true;
+}
+
+// TestAlgorithmRoundtrip signs a message using an already-initialized
+// |md_ctx|, sampling the AlgorithmIdentifier. It then uses |pkey| and the
+// AlgorithmIdentifier to verify the signature.
+static bool TestAlgorithmRoundtrip(EVP_MD_CTX *md_ctx, EVP_PKEY *pkey) {
+  if (!EVP_DigestSignUpdate(md_ctx, kMsg, sizeof(kMsg))) {
+    return false;
+  }
+
+  // Save the algorithm.
+  ScopedX509_ALGOR algor(X509_ALGOR_new());
+  if (!algor || !EVP_DigestSignAlgorithm(md_ctx, algor.get())) {
+    return false;
+  }
+
+  // Determine the size of the signature.
+  size_t sig_len = 0;
+  if (!EVP_DigestSignFinal(md_ctx, NULL, &sig_len)) {
+    return false;
+  }
+  // Sanity check for testing.
+  if (sig_len != (size_t)EVP_PKEY_size(pkey)) {
+    fprintf(stderr, "sig_len mismatch\n");
+    return false;
+  }
+
+  std::vector<uint8_t> sig;
+  sig.resize(sig_len);
+  if (!EVP_DigestSignFinal(md_ctx, bssl::vector_data(&sig), &sig_len)) {
+    return false;
+  }
+  sig.resize(sig_len);
+
+  // Ensure that the signature round-trips.
+  ScopedEVP_MD_CTX md_ctx_verify;
+  if (!EVP_DigestVerifyInitFromAlgorithm(md_ctx_verify.get(), algor.get(),
+                                         pkey) ||
+      !EVP_DigestVerifyUpdate(md_ctx_verify.get(), kMsg, sizeof(kMsg)) ||
+      !EVP_DigestVerifyFinal(md_ctx_verify.get(), bssl::vector_data(&sig),
+                             sig_len)) {
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestEVP_DigestSignAlgorithm(void) {
+  ScopedEVP_PKEY pkey = LoadExampleRSAKey();
+
+  // Test a simple AlgorithmIdentifier.
+  ScopedEVP_MD_CTX md_ctx;
+  if (!pkey ||
+      !EVP_DigestSignInit(md_ctx.get(), NULL, EVP_sha256(), NULL, pkey.get()) ||
+      !TestAlgorithmRoundtrip(md_ctx.get(), pkey.get())) {
+    fprintf(stderr, "RSA with SHA-256 failed\n");
+    return false;
+  }
+
+  // Test RSA-PSS with custom parameters.
+  md_ctx.Reset();
+  EVP_PKEY_CTX *pkey_ctx;
+  if (!EVP_DigestSignInit(md_ctx.get(), &pkey_ctx, EVP_sha256(), NULL,
+                          pkey.get()) ||
+      !EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, RSA_PKCS1_PSS_PADDING) ||
+      !EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, EVP_sha512()) ||
+      !TestAlgorithmRoundtrip(md_ctx.get(), pkey.get())) {
+    fprintf(stderr, "RSA-PSS failed\n");
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestEVP_DigestVerifyInitFromAlgorithm(void) {
+  CBS cert, cert_body, tbs_cert, algorithm, signature;
+  CBS_init(&cert, kExamplePSSCert, sizeof(kExamplePSSCert));
+  if (!CBS_get_asn1(&cert, &cert_body, CBS_ASN1_SEQUENCE) ||
+      CBS_len(&cert) != 0 ||
+      !CBS_get_any_asn1_element(&cert_body, &tbs_cert, NULL, NULL) ||
+      !CBS_get_asn1_element(&cert_body, &algorithm, CBS_ASN1_SEQUENCE) ||
+      !CBS_get_asn1(&cert_body, &signature, CBS_ASN1_BITSTRING) ||
+      CBS_len(&cert_body) != 0) {
+    fprintf(stderr, "Failed to parse certificate\n");
+    return false;
+  }
+
+  // Signatures are BIT STRINGs, but they have are multiple of 8 bytes, so the
+  // leading phase byte is just a zero.
+  uint8_t padding;
+  if (!CBS_get_u8(&signature, &padding) || padding != 0) {
+    fprintf(stderr, "Invalid signature padding\n");
+    return false;
+  }
+
+  const uint8_t *derp = CBS_data(&algorithm);
+  ScopedX509_ALGOR algor(d2i_X509_ALGOR(NULL, &derp, CBS_len(&algorithm)));
+  if (!algor || derp != CBS_data(&algorithm) + CBS_len(&algorithm)) {
+    fprintf(stderr, "Failed to parse algorithm\n");
+    return false;
+  }
+
+  ScopedEVP_PKEY pkey = LoadExampleRSAKey();
+  ScopedEVP_MD_CTX md_ctx;
+  if (!pkey ||
+      !EVP_DigestVerifyInitFromAlgorithm(md_ctx.get(), algor.get(),
+                                         pkey.get()) ||
+      !EVP_DigestVerifyUpdate(md_ctx.get(), CBS_data(&tbs_cert),
+                              CBS_len(&tbs_cert)) ||
+      !EVP_DigestVerifyFinal(md_ctx.get(), CBS_data(&signature),
+                             CBS_len(&signature))) {
+    return false;
+  }
+  return true;
+}
+
+static bool Testd2i_AutoPrivateKey(const uint8_t *input, size_t input_len,
+                                   int expected_id) {
+  const uint8_t *p = input;
+  ScopedEVP_PKEY pkey(d2i_AutoPrivateKey(NULL, &p, input_len));
+  if (!pkey || p != input + input_len) {
+    fprintf(stderr, "d2i_AutoPrivateKey failed\n");
+    return false;
+  }
+
+  if (EVP_PKEY_id(pkey.get()) != expected_id) {
+    fprintf(stderr, "Did not decode expected type\n");
+    return false;
+  }
+
+  return true;
+}
+
+// TestEVP_PKCS82PKEY tests loading a bad key in PKCS8 format.
+static bool TestEVP_PKCS82PKEY(void) {
+  const uint8_t *derp = kExampleBadECKeyDER;
+  ScopedPKCS8_PRIV_KEY_INFO p8inf(
+      d2i_PKCS8_PRIV_KEY_INFO(NULL, &derp, sizeof(kExampleBadECKeyDER)));
+  if (!p8inf || derp != kExampleBadECKeyDER + sizeof(kExampleBadECKeyDER)) {
+    fprintf(stderr, "Failed to parse key\n");
+    return false;
+  }
+
+  ScopedEVP_PKEY pkey(EVP_PKCS82PKEY(p8inf.get()));
+  if (pkey) {
+    fprintf(stderr, "Imported invalid EC key\n");
+    return false;
+  }
+
+  return true;
+}
+
+int main(void) {
+  CRYPTO_library_init();
+  ERR_load_crypto_strings();
+
+  if (!TestEVP_DigestSignInit()) {
+    fprintf(stderr, "EVP_DigestSignInit failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!TestEVP_DigestVerifyInit()) {
+    fprintf(stderr, "EVP_DigestVerifyInit failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!TestEVP_DigestSignAlgorithm()) {
+    fprintf(stderr, "EVP_DigestSignInit failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!TestEVP_DigestVerifyInitFromAlgorithm()) {
+    fprintf(stderr, "EVP_DigestVerifyInitFromAlgorithm failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!Testd2i_AutoPrivateKey(kExampleRSAKeyDER, sizeof(kExampleRSAKeyDER),
+                              EVP_PKEY_RSA)) {
+    fprintf(stderr, "d2i_AutoPrivateKey(kExampleRSAKeyDER) failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!Testd2i_AutoPrivateKey(kExampleRSAKeyPKCS8, sizeof(kExampleRSAKeyPKCS8),
+                              EVP_PKEY_RSA)) {
+    fprintf(stderr, "d2i_AutoPrivateKey(kExampleRSAKeyPKCS8) failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!Testd2i_AutoPrivateKey(kExampleECKeyDER, sizeof(kExampleECKeyDER),
+                              EVP_PKEY_EC)) {
+    fprintf(stderr, "d2i_AutoPrivateKey(kExampleECKeyDER) failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  if (!TestEVP_PKCS82PKEY()) {
+    fprintf(stderr, "TestEVP_PKCS82PKEY failed\n");
+    BIO_print_errors_fp(stderr);
+    return 1;
+  }
+
+  printf("PASS\n");
+  return 0;
+}