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LibCrypto: Add SHA256 hash function

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This commit is contained in:
AnotherTest 2020-04-08 04:29:07 +04:30 • committed by Andreas Kling
parent f2cd004d11
commit ca097b093b
4 changed files with 408 additions and 11 deletions
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152
Userland/test-crypto.cpp
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@ -3,6 +3,7 @@
#include <LibCrypto/Authentication/HMAC.h>
#include <LibCrypto/Cipher/AES.h>
#include <LibCrypto/Hash/MD5.h>
#include <LibCrypto/Hash/SHA2.h>
#include <LibLine/Editor.h>
#include <stdio.h>
@ -16,8 +17,8 @@ static bool run_tests = false;
static bool encrypting = true;
constexpr const char* DEFAULT_DIGEST_SUITE { "HMAC-MD5" };
constexpr const char* DEFAULT_HASH_SUITE { "MD5" };
constexpr const char* DEFAULT_DIGEST_SUITE { "HMAC-SHA256" };
constexpr const char* DEFAULT_HASH_SUITE { "SHA256" };
constexpr const char* DEFAULT_CIPHER_SUITE { "AES_CBC" };
// listAllTests
@ -26,9 +27,11 @@ int aes_cbc_tests();
// Hash
int md5_tests();
int sha256_tests();
// Authentication
int hmac_md5_tests();
int hmac_sha256_tests();
// stop listing tests
@ -112,6 +115,25 @@ void hmac_md5(const char* message, size_t len)
print_buffer(ByteBuffer::wrap(mac.data, hmac.DigestSize), -1);
}
void sha256(const char* message, size_t len)
{
auto digest = Crypto::Hash::SHA256::hash((const u8*)message, len);
if (binary)
printf("%.*s", (int)Crypto::Hash::SHA256::digest_size(), digest.data);
else
print_buffer(ByteBuffer::wrap(digest.data, Crypto::Hash::SHA256::digest_size()), -1);
}
void hmac_sha256(const char* message, size_t len)
{
Crypto::Authentication::HMAC<Crypto::Hash::SHA256> hmac(secret_key);
auto mac = hmac.process((const u8*)message, len);
if (binary)
printf("%.*s", (int)hmac.DigestSize, mac.data);
else
print_buffer(ByteBuffer::wrap(mac.data, hmac.DigestSize), -1);
}
auto main(int argc, char** argv) -> int
{
const char* mode = nullptr;
@ -137,36 +159,48 @@ auto main(int argc, char** argv) -> int
puts("\tlist -- List all known modes");
return 0;
}
if (mode_sv == "hash") {
if (suite == nullptr)
suite = DEFAULT_HASH_SUITE;
StringView suite_sv { suite };
if (StringView(suite) == "MD5") {
if (suite_sv == "MD5") {
if (run_tests)
return md5_tests();
return run(md5);
} else {
printf("unknown hash function '%s'\n", suite);
return 1;
}
if (suite_sv == "SHA256") {
if (run_tests)
return sha256_tests();
return run(sha256);
}
printf("unknown hash function '%s'\n", suite);
return 1;
}
if (mode_sv == "digest") {
if (suite == nullptr)
suite = DEFAULT_DIGEST_SUITE;
StringView suite_sv { suite };
if (StringView(suite) == "HMAC-MD5") {
if (suite_sv == "HMAC-MD5") {
if (run_tests)
return hmac_md5_tests();
return run(hmac_md5);
} else {
printf("unknown hash function '%s'\n", suite);
return 1;
}
if (suite_sv == "HMAC-SHA256") {
if (run_tests)
return hmac_sha256_tests();
return run(hmac_sha256);
}
printf("unknown hash function '%s'\n", suite);
return 1;
}
encrypting = mode_sv == "encrypt";
if (encrypting || mode_sv == "decrypt") {
if (suite == nullptr)
suite = DEFAULT_CIPHER_SUITE;
StringView suite_sv { suite };
if (StringView(suite) == "AES_CBC") {
if (run_tests)
@ -214,9 +248,15 @@ void md5_test_name();
void md5_test_hash();
void md5_test_consecutive_updates();
void sha256_test_name();
void sha256_test_hash();
void hmac_md5_test_name();
void hmac_md5_test_process();
void hmac_sha256_test_name();
void hmac_sha256_test_process();
int aes_cbc_tests()
{
aes_cbc_test_name();
@ -482,6 +522,13 @@ int hmac_md5_tests()
return 0;
}
int hmac_sha256_tests()
{
hmac_sha256_test_name();
hmac_sha256_test_process();
return 0;
}
void hmac_md5_test_name()
{
I_TEST((HMAC - MD5 | Class name));
@ -520,3 +567,88 @@ void hmac_md5_test_process()
PASS;
}
}
int sha256_tests()
{
sha256_test_name();
sha256_test_hash();
return 0;
}
void sha256_test_name()
{
I_TEST((SHA256 class name));
Crypto::Hash::SHA256 sha;
if (sha.class_name() != "SHA256") {
FAIL(Invalid class name);
printf("%s\n", sha.class_name().characters());
} else
PASS;
}
void sha256_test_hash()
{
{
I_TEST((SHA256 Hashing | "Well hello friends"));
u8 result[] {
0x9a, 0xcd, 0x50, 0xf9, 0xa2, 0xaf, 0x37, 0xe4, 0x71, 0xf7, 0x61, 0xc3, 0xfe, 0x7b, 0x8d, 0xea, 0x56, 0x17, 0xe5, 0x1d, 0xac, 0x80, 0x2f, 0xe6, 0xc1, 0x77, 0xb7, 0x4a, 0xbf, 0x0a, 0xbb, 0x5a
};
auto digest = Crypto::Hash::SHA256::hash("Well hello friends");
if (memcmp(result, digest.data, Crypto::Hash::SHA256::digest_size()) != 0) {
FAIL(Invalid hash);
print_buffer(ByteBuffer::wrap(digest.data, Crypto::Hash::SHA256::digest_size()), -1);
} else
PASS;
}
{
I_TEST((SHA256 Hashing | ""));
u8 result[] {
0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55
};
auto digest = Crypto::Hash::SHA256::hash("");
if (memcmp(result, digest.data, Crypto::Hash::SHA256::digest_size()) != 0) {
FAIL(Invalid hash);
print_buffer(ByteBuffer::wrap(digest.data, Crypto::Hash::SHA256::digest_size()), -1);
} else
PASS;
}
}
void hmac_sha256_test_name()
{
I_TEST((HMAC - SHA256 | Class name));
Crypto::Authentication::HMAC<Crypto::Hash::SHA256> hmac("Well Hello Friends");
if (hmac.class_name() != "HMAC-SHA256")
FAIL(Invalid class name);
else
PASS;
}
void hmac_sha256_test_process()
{
{
I_TEST((HMAC - SHA256 | Basic));
Crypto::Authentication::HMAC<Crypto::Hash::SHA256> hmac("Well Hello Friends");
u8 result[] {
0x1a, 0xf2, 0x20, 0x62, 0xde, 0x3b, 0x84, 0x65, 0xc1, 0x25, 0x23, 0x99, 0x76, 0x15, 0x1b, 0xec, 0x15, 0x21, 0x82, 0x1f, 0x23, 0xca, 0x11, 0x66, 0xdd, 0x8c, 0x6e, 0xf1, 0x81, 0x3b, 0x7f, 0x1b
};
auto mac = hmac.process("Some bogus data");
if (memcmp(result, mac.data, hmac.DigestSize) != 0) {
FAIL(Invalid mac);
print_buffer(ByteBuffer::wrap(mac.data, hmac.DigestSize), -1);
} else
PASS;
}
{
I_TEST((HMAC - SHA256 | Reuse));
Crypto::Authentication::HMAC<Crypto::Hash::SHA256> hmac("Well Hello Friends");
auto mac_0 = hmac.process("Some bogus data");
auto mac_1 = hmac.process("Some bogus data");
if (memcmp(mac_0.data, mac_1.data, hmac.DigestSize) != 0) {
FAIL(Cannot reuse);
} else
PASS;
}
}