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Remove unused HMAC-SHA1 function

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(We're not adding any new SHA1 instances in our protocols, so this
should never actually be needed.)
This commit is contained in:
Nick Mathewson 2013-03-01 21:59:12 -05:00
parent 289653c392
commit a05dc378e3
3 changed files with 0 additions and 46 deletions
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15
src/common/crypto.c
View File

@ -1631,21 +1631,6 @@ crypto_digest_assign(crypto_digest_t *into,
memcpy(into,from,sizeof(crypto_digest_t));
}
/** Compute the HMAC-SHA-1 of the <b>msg_len</b> bytes in <b>msg</b>, using
* the <b>key</b> of length <b>key_len</b>. Store the DIGEST_LEN-byte result
* in <b>hmac_out</b>.
*/
void
crypto_hmac_sha1(char *hmac_out,
const char *key, size_t key_len,
const char *msg, size_t msg_len)
{
tor_assert(key_len < INT_MAX);
tor_assert(msg_len < INT_MAX);
HMAC(EVP_sha1(), key, (int)key_len, (unsigned char*)msg, (int)msg_len,
(unsigned char*)hmac_out, NULL);
}
/** Compute the HMAC-SHA-256 of the <b>msg_len</b> bytes in <b>msg</b>, using
* the <b>key</b> of length <b>key_len</b>. Store the DIGEST256_LEN-byte
* result in <b>hmac_out</b>.

3
src/common/crypto.h
View File

@ -218,9 +218,6 @@ void crypto_digest_get_digest(crypto_digest_t *digest,
crypto_digest_t *crypto_digest_dup(const crypto_digest_t *digest);
void crypto_digest_assign(crypto_digest_t *into,
const crypto_digest_t *from);
void crypto_hmac_sha1(char *hmac_out,
const char *key, size_t key_len,
const char *msg, size_t msg_len);
void crypto_hmac_sha256(char *hmac_out,
const char *key, size_t key_len,
const char *msg, size_t msg_len);

28
src/test/test_crypto.c
View File

@ -269,34 +269,6 @@ test_crypto_sha(void)
"96177A9CB410FF61F20015AD");
tt_int_op(i, ==, 0);
/* Test HMAC-SHA-1 with test cases from RFC2202. */
/* Case 1. */
memset(key, 0x0b, 20);
crypto_hmac_sha1(digest, key, 20, "Hi There", 8);
test_streq(hex_str(digest, 20),
"B617318655057264E28BC0B6FB378C8EF146BE00");
/* Case 2. */
crypto_hmac_sha1(digest, "Jefe", 4, "what do ya want for nothing?", 28);
test_streq(hex_str(digest, 20),
"EFFCDF6AE5EB2FA2D27416D5F184DF9C259A7C79");
/* Case 4. */
base16_decode(key, 25,
"0102030405060708090a0b0c0d0e0f10111213141516171819", 50);
memset(data, 0xcd, 50);
crypto_hmac_sha1(digest, key, 25, data, 50);
test_streq(hex_str(digest, 20),
"4C9007F4026250C6BC8414F9BF50C86C2D7235DA");
/* Case 5. */
memset(key, 0xaa, 80);
crypto_hmac_sha1(digest, key, 80,
"Test Using Larger Than Block-Size Key - Hash Key First",
54);
test_streq(hex_str(digest, 20),
"AA4AE5E15272D00E95705637CE8A3B55ED402112");
/* Test HMAC-SHA256 with test cases from wikipedia and RFC 4231 */
/* Case empty (wikipedia) */