/* 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 <string.h>
#include <memory>
#include <openssl/asn1.h>
#include <openssl/crypto.h>
#include <openssl/digest.h>
#include <openssl/err.h>
#include <openssl/md4.h>
#include <openssl/md5.h>
#include <openssl/nid.h>
#include <openssl/obj.h>
#include <openssl/sha.h>
#include "../internal.h"
struct MD {
// name is the name of the digest.
const char* name;
// md_func is the digest to test.
const EVP_MD *(*func)(void);
// one_shot_func is the convenience one-shot version of the
// digest.
uint8_t *(*one_shot_func)(const uint8_t *, size_t, uint8_t *);
};
static const MD md4 = { "MD4", &EVP_md4, nullptr };
static const MD md5 = { "MD5", &EVP_md5, &MD5 };
static const MD sha1 = { "SHA1", &EVP_sha1, &SHA1 };
static const MD sha224 = { "SHA224", &EVP_sha224, &SHA224 };
static const MD sha256 = { "SHA256", &EVP_sha256, &SHA256 };
static const MD sha384 = { "SHA384", &EVP_sha384, &SHA384 };
static const MD sha512 = { "SHA512", &EVP_sha512, &SHA512 };
static const MD md5_sha1 = { "MD5-SHA1", &EVP_md5_sha1, nullptr };
struct TestVector {
// md is the digest to test.
const MD &md;
// input is a NUL-terminated string to hash.
const char *input;
// repeat is the number of times to repeat input.
size_t repeat;
// expected_hex is the expected digest in hexadecimal.
const char *expected_hex;
};
static const TestVector kTestVectors[] = {
// MD4 tests, from RFC 1320. (crypto/md4 does not provide a
// one-shot MD4 function.)
{ md4, "", 1, "31d6cfe0d16ae931b73c59d7e0c089c0" },
{ md4, "a", 1, "bde52cb31de33e46245e05fbdbd6fb24" },
{ md4, "abc", 1, "a448017aaf21d8525fc10ae87aa6729d" },
{ md4, "message digest", 1, "d9130a8164549fe818874806e1c7014b" },
{ md4, "abcdefghijklmnopqrstuvwxyz", 1,
"d79e1c308aa5bbcdeea8ed63df412da9" },
{ md4,
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 1,
"043f8582f241db351ce627e153e7f0e4" },
{ md4, "1234567890", 8, "e33b4ddc9c38f2199c3e7b164fcc0536" },
// MD5 tests, from RFC 1321.
{ md5, "", 1, "d41d8cd98f00b204e9800998ecf8427e" },
{ md5, "a", 1, "0cc175b9c0f1b6a831c399e269772661" },
{ md5, "abc", 1, "900150983cd24fb0d6963f7d28e17f72" },
{ md5, "message digest", 1, "f96b697d7cb7938d525a2f31aaf161d0" },
{ md5, "abcdefghijklmnopqrstuvwxyz", 1,
"c3fcd3d76192e4007dfb496cca67e13b" },
{ md5,
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 1,
"d174ab98d277d9f5a5611c2c9f419d9f" },
{ md5, "1234567890", 8, "57edf4a22be3c955ac49da2e2107b67a" },
// SHA-1 tests, from RFC 3174.
{ sha1, "abc", 1, "a9993e364706816aba3e25717850c26c9cd0d89d" },
{ sha1,
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 1,
"84983e441c3bd26ebaae4aa1f95129e5e54670f1" },
{ sha1, "a", 1000000, "34aa973cd4c4daa4f61eeb2bdbad27316534016f" },
{ sha1,
"0123456701234567012345670123456701234567012345670123456701234567", 10,
"dea356a2cddd90c7a7ecedc5ebb563934f460452" },
// SHA-224 tests, from RFC 3874.
{ sha224, "abc", 1,
"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7" },
{ sha224,
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 1,
"75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525" },
{ sha224,
"a", 1000000,
"20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67" },
// SHA-256 tests, from NIST.
{ sha256, "abc", 1,
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad" },
{ sha256,
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 1,
"248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1" },
// SHA-384 tests, from NIST.
{ sha384, "abc", 1,
"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
"8086072ba1e7cc2358baeca134c825a7" },
{ sha384,
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 1,
"09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
"fcc7c71a557e2db966c3e9fa91746039" },
// SHA-512 tests, from NIST.
{ sha512, "abc", 1,
"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
"2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f" },
{ sha512,
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 1,
"8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
"501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909" },
// MD5-SHA1 tests.
{ md5_sha1, "abc", 1,
"900150983cd24fb0d6963f7d28e17f72a9993e364706816aba3e25717850c26c9cd0d89d" },
};
static bool CompareDigest(const TestVector *test,
const uint8_t *digest,
size_t digest_len) {
static const char kHexTable[] = "0123456789abcdef";
char digest_hex[2*EVP_MAX_MD_SIZE + 1];
for (size_t i = 0; i < digest_len; i++) {
digest_hex[2*i] = kHexTable[digest[i] >> 4];
digest_hex[2*i + 1] = kHexTable[digest[i] & 0xf];
}
digest_hex[2*digest_len] = '\0';
if (strcmp(digest_hex, test->expected_hex) != 0) {
fprintf(stderr, "%s(\"%s\" * %d) = %s; want %s\n",
test->md.name, test->input, (int)test->repeat,
digest_hex, test->expected_hex);
return false;
}
return true;
}
static int TestDigest(const TestVector *test) {
bssl::ScopedEVP_MD_CTX ctx;
// Test the input provided.
if (!EVP_DigestInit_ex(ctx.get(), test->md.func(), NULL)) {
fprintf(stderr, "EVP_DigestInit_ex failed\n");
return false;
}
for (size_t i = 0; i < test->repeat; i++) {
if (!EVP_DigestUpdate(ctx.get(), test->input, strlen(test->input))) {
fprintf(stderr, "EVP_DigestUpdate failed\n");
return false;
}
}
std::unique_ptr<uint8_t[]> digest(new uint8_t[EVP_MD_size(test->md.func())]);
unsigned digest_len;
if (!EVP_DigestFinal_ex(ctx.get(), digest.get(), &digest_len)) {
fprintf(stderr, "EVP_DigestFinal_ex failed\n");
return false;
}
if (!CompareDigest(test, digest.get(), digest_len)) {
return false;
}
// Test the input one character at a time.
if (!EVP_DigestInit_ex(ctx.get(), test->md.func(), NULL)) {
fprintf(stderr, "EVP_DigestInit_ex failed\n");
return false;
}
if (!EVP_DigestUpdate(ctx.get(), NULL, 0)) {
fprintf(stderr, "EVP_DigestUpdate failed\n");
return false;
}
for (size_t i = 0; i < test->repeat; i++) {
for (const char *p = test->input; *p; p++) {
if (!EVP_DigestUpdate(ctx.get(), p, 1)) {
fprintf(stderr, "EVP_DigestUpdate failed\n");
return false;
}
}
}
if (!EVP_DigestFinal_ex(ctx.get(), digest.get(), &digest_len)) {
fprintf(stderr, "EVP_DigestFinal_ex failed\n");
return false;
}
if (digest_len != EVP_MD_size(test->md.func())) {
fprintf(stderr, "EVP_MD_size output incorrect\n");
return false;
}
if (!CompareDigest(test, digest.get(), digest_len)) {
return false;
}
// Test the one-shot function.
if (test->md.one_shot_func && test->repeat == 1) {
uint8_t *out = test->md.one_shot_func((const uint8_t *)test->input,
strlen(test->input), digest.get());
if (out != digest.get()) {
fprintf(stderr, "one_shot_func gave incorrect return\n");
return false;
}
if (!CompareDigest(test, digest.get(), EVP_MD_size(test->md.func()))) {
return false;
}
// Test the deprecated static buffer variant, until it's removed.
out = test->md.one_shot_func((const uint8_t *)test->input,
strlen(test->input), NULL);
if (!CompareDigest(test, out, EVP_MD_size(test->md.func()))) {
return false;
}
}
return true;
}
static int TestGetters() {
if (EVP_get_digestbyname("RSA-SHA512") != EVP_sha512() ||
EVP_get_digestbyname("sha512WithRSAEncryption") != EVP_sha512() ||
EVP_get_digestbyname("nonsense") != NULL ||
EVP_get_digestbyname("SHA512") != EVP_sha512() ||
EVP_get_digestbyname("sha512") != EVP_sha512()) {
return false;
}
if (EVP_get_digestbynid(NID_sha512) != EVP_sha512() ||
EVP_get_digestbynid(NID_sha512WithRSAEncryption) != NULL ||
EVP_get_digestbynid(NID_undef) != NULL) {
return false;
}
bssl::UniquePtr<ASN1_OBJECT> obj(OBJ_txt2obj("1.3.14.3.2.26", 0));
if (!obj ||
EVP_get_digestbyobj(obj.get()) != EVP_sha1() ||
EVP_get_digestbyobj(OBJ_nid2obj(NID_md5_sha1)) != EVP_md5_sha1() ||
EVP_get_digestbyobj(OBJ_nid2obj(NID_sha1)) != EVP_sha1()) {
return false;
}
return true;
}
int main() {
CRYPTO_library_init();
for (size_t i = 0; i < OPENSSL_ARRAY_SIZE(kTestVectors); i++) {
if (!TestDigest(&kTestVectors[i])) {
fprintf(stderr, "Test %d failed\n", (int)i);
return 1;
}
}
if (!TestGetters()) {
return 1;
}
printf("PASS\n");
return 0;
}