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/*
* Copyright 2012 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/message_digest.h"
#include <openssl/evp.h>
#include <openssl/sha.h>
#include <cstddef>
#include <string>
#include "absl/strings/string_view.h"
#include "rtc_base/string_encode.h"
#include "test/gtest.h"
namespace webrtc {
// Test vectors from RFC 1321.
TEST(MessageDigestTest, TestMd5Digest) {
// Test the string versions of the APIs.
EXPECT_EQ("d41d8cd98f00b204e9800998ecf8427e", ComputeDigest(DIGEST_MD5, ""));
EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72",
ComputeDigest(DIGEST_MD5, "abc"));
EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b",
ComputeDigest(DIGEST_MD5, "abcdefghijklmnopqrstuvwxyz"));
// Test the raw buffer versions of the APIs; also check output buffer size.
char output[16];
EXPECT_EQ(sizeof(output),
ComputeDigest(DIGEST_MD5, "abc", 3, output, sizeof(output)));
EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72",
hex_encode(absl::string_view(output, sizeof(output))));
EXPECT_EQ(0U,
ComputeDigest(DIGEST_MD5, "abc", 3, output, sizeof(output) - 1));
}
// Test vectors from RFC 3174.
TEST(MessageDigestTest, TestSha1Digest) {
// Test the string versions of the APIs.
EXPECT_EQ("da39a3ee5e6b4b0d3255bfef95601890afd80709",
ComputeDigest(DIGEST_SHA_1, ""));
EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d",
ComputeDigest(DIGEST_SHA_1, "abc"));
EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
ComputeDigest(
DIGEST_SHA_1,
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
// Test the raw buffer versions of the APIs; also check output buffer size.
char output[EVP_MAX_MD_SIZE];
EXPECT_EQ(static_cast<size_t>(SHA_DIGEST_LENGTH),
ComputeDigest(DIGEST_SHA_1, "abc", 3, output, SHA_DIGEST_LENGTH));
EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d",
hex_encode(absl::string_view(output, SHA_DIGEST_LENGTH)));
EXPECT_EQ(
0U, ComputeDigest(DIGEST_SHA_1, "abc", 3, output, SHA_DIGEST_LENGTH - 1));
}
// Test that we fail properly if a bad digest algorithm is specified.
TEST(MessageDigestTest, TestBadDigest) {
std::string output;
EXPECT_FALSE(ComputeDigest("sha-9000", "abc", &output));
EXPECT_EQ("", ComputeDigest("sha-9000", "abc"));
}
// Test vectors from RFC 2202.
TEST(MessageDigestTest, TestMd5Hmac) {
// Test the string versions of the APIs.
EXPECT_EQ("9294727a3638bb1c13f48ef8158bfc9d",
ComputeHmac(DIGEST_MD5, std::string(16, '\x0b'), "Hi There"));
EXPECT_EQ("750c783e6ab0b503eaa86e310a5db738",
ComputeHmac(DIGEST_MD5, "Jefe", "what do ya want for nothing?"));
EXPECT_EQ("56be34521d144c88dbb8c733f0e8b3f6",
ComputeHmac(DIGEST_MD5, std::string(16, '\xaa'),
std::string(50, '\xdd')));
EXPECT_EQ(
"697eaf0aca3a3aea3a75164746ffaa79",
ComputeHmac(DIGEST_MD5,
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
std::string(50, '\xcd')));
EXPECT_EQ(
"56461ef2342edc00f9bab995690efd4c",
ComputeHmac(DIGEST_MD5, std::string(16, '\x0c'), "Test With Truncation"));
EXPECT_EQ(
"6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd",
ComputeHmac(DIGEST_MD5, std::string(80, '\xaa'),
"Test Using Larger Than Block-Size Key - Hash Key First"));
EXPECT_EQ("6f630fad67cda0ee1fb1f562db3aa53e",
ComputeHmac(DIGEST_MD5, std::string(80, '\xaa'),
"Test Using Larger Than Block-Size Key and Larger "
"Than One Block-Size Data"));
// Test the raw buffer versions of the APIs; also check output buffer size.
std::string key(16, '\x0b');
std::string input("Hi There");
char output[16];
EXPECT_EQ(sizeof(output),
ComputeHmac(DIGEST_MD5, key.c_str(), key.size(), input.c_str(),
input.size(), output, sizeof(output)));
EXPECT_EQ("9294727a3638bb1c13f48ef8158bfc9d",
hex_encode(absl::string_view(output, sizeof(output))));
EXPECT_EQ(0U, ComputeHmac(DIGEST_MD5, key.c_str(), key.size(), input.c_str(),
input.size(), output, sizeof(output) - 1));
}
// Test vectors from RFC 2202.
TEST(MessageDigestTest, TestSha1Hmac) {
// Test the string versions of the APIs.
EXPECT_EQ("b617318655057264e28bc0b6fb378c8ef146be00",
ComputeHmac(DIGEST_SHA_1, std::string(20, '\x0b'), "Hi There"));
EXPECT_EQ("effcdf6ae5eb2fa2d27416d5f184df9c259a7c79",
ComputeHmac(DIGEST_SHA_1, "Jefe", "what do ya want for nothing?"));
EXPECT_EQ("125d7342b9ac11cd91a39af48aa17b4f63f175d3",
ComputeHmac(DIGEST_SHA_1, std::string(20, '\xaa'),
std::string(50, '\xdd')));
EXPECT_EQ(
"4c9007f4026250c6bc8414f9bf50c86c2d7235da",
ComputeHmac(DIGEST_SHA_1,
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
std::string(50, '\xcd')));
EXPECT_EQ("4c1a03424b55e07fe7f27be1d58bb9324a9a5a04",
ComputeHmac(DIGEST_SHA_1, std::string(20, '\x0c'),
"Test With Truncation"));
EXPECT_EQ(
"aa4ae5e15272d00e95705637ce8a3b55ed402112",
ComputeHmac(DIGEST_SHA_1, std::string(80, '\xaa'),
"Test Using Larger Than Block-Size Key - Hash Key First"));
EXPECT_EQ("e8e99d0f45237d786d6bbaa7965c7808bbff1a91",
ComputeHmac(DIGEST_SHA_1, std::string(80, '\xaa'),
"Test Using Larger Than Block-Size Key and Larger "
"Than One Block-Size Data"));
// Test the raw buffer versions of the APIs; also check output buffer size.
std::string key(20, '\x0b');
std::string input("Hi There");
char output[EVP_MAX_MD_SIZE];
EXPECT_EQ(static_cast<size_t>(SHA_DIGEST_LENGTH),
ComputeHmac(DIGEST_SHA_1, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA_DIGEST_LENGTH));
EXPECT_EQ("b617318655057264e28bc0b6fb378c8ef146be00",
hex_encode(absl::string_view(output, SHA_DIGEST_LENGTH)));
EXPECT_EQ(0U,
ComputeHmac(DIGEST_SHA_1, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA_DIGEST_LENGTH - 1));
}
// Test vectors from RFC 4231.
// https://datatracker.ietf.org/doc/html/rfc4231#section-4.2
TEST(MessageDigestTest, TestSha2Hmac) {
std::string key(20, '\x0b');
std::string input("Hi There");
char output[EVP_MAX_MD_SIZE];
EXPECT_EQ(
"896fb1128abbdf196832107cd49df33f"
"47b4b1169912ba4f53684b22",
ComputeHmac(DIGEST_SHA_224, key, input));
EXPECT_EQ(
"b0344c61d8db38535ca8afceaf0bf12b"
"881dc200c9833da726e9376c2e32cff7",
ComputeHmac(DIGEST_SHA_256, key, input));
// Test the raw buffer versions of the APIs; also check output buffer size.
// SHA-224
EXPECT_EQ(static_cast<size_t>(SHA224_DIGEST_LENGTH),
ComputeHmac(DIGEST_SHA_224, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA224_DIGEST_LENGTH));
EXPECT_EQ(
"896fb1128abbdf196832107cd49df33f"
"47b4b1169912ba4f53684b22",
hex_encode(absl::string_view(output, SHA224_DIGEST_LENGTH)));
EXPECT_EQ(0U,
ComputeHmac(DIGEST_SHA_224, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA224_DIGEST_LENGTH - 1));
// SHA-256
EXPECT_EQ(static_cast<size_t>(SHA256_DIGEST_LENGTH),
ComputeHmac(DIGEST_SHA_256, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA256_DIGEST_LENGTH));
EXPECT_EQ(
"b0344c61d8db38535ca8afceaf0bf12b"
"881dc200c9833da726e9376c2e32cff7",
hex_encode(absl::string_view(output, SHA256_DIGEST_LENGTH)));
EXPECT_EQ(0U,
ComputeHmac(DIGEST_SHA_256, key.c_str(), key.size(), input.c_str(),
input.size(), output, SHA256_DIGEST_LENGTH - 1));
}
TEST(MessageDigestTest, TestBadHmac) {
std::string output;
EXPECT_FALSE(ComputeHmac("sha-9000", "key", "abc", &output));
EXPECT_EQ("", ComputeHmac("sha-9000", "key", "abc"));
}
} // namespace webrtc
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