diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c deleted file mode 100644 index 9cd69ac3..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c +++ /dev/null @@ -1,110 +0,0 @@ - -/*- - * Copyright 2005,2007,2009 Colin Percival - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include "api.h" -#include "crypto_auth_hmacsha256.h" -#include "crypto_hash_sha256.h" -#include "utils.h" - -#include <sys/types.h> - -#include <stdint.h> -#include <string.h> - -int -crypto_auth_hmacsha256_init(crypto_auth_hmacsha256_state *state, - const unsigned char *key, - size_t keylen) -{ - unsigned char pad[64]; - unsigned char khash[32]; - size_t i; - - if (keylen > 64) { - crypto_hash_sha256_init(&state->ictx); - crypto_hash_sha256_update(&state->ictx, key, keylen); - crypto_hash_sha256_final(&state->ictx, khash); - key = khash; - keylen = 32; - } - crypto_hash_sha256_init(&state->ictx); - memset(pad, 0x36, 64); - for (i = 0; i < keylen; i++) { - pad[i] ^= key[i]; - } - crypto_hash_sha256_update(&state->ictx, pad, 64); - - crypto_hash_sha256_init(&state->octx); - memset(pad, 0x5c, 64); - for (i = 0; i < keylen; i++) { - pad[i] ^= key[i]; - } - crypto_hash_sha256_update(&state->octx, pad, 64); - - sodium_memzero((void *) khash, sizeof khash); - - return 0; -} - -int -crypto_auth_hmacsha256_update(crypto_auth_hmacsha256_state *state, - const unsigned char *in, - unsigned long long inlen) -{ - crypto_hash_sha256_update(&state->ictx, in, inlen); - - return 0; -} - -int -crypto_auth_hmacsha256_final(crypto_auth_hmacsha256_state *state, - unsigned char *out) -{ - unsigned char ihash[32]; - - crypto_hash_sha256_final(&state->ictx, ihash); - crypto_hash_sha256_update(&state->octx, ihash, 32); - crypto_hash_sha256_final(&state->octx, out); - - sodium_memzero((void *) ihash, sizeof ihash); - - return 0; -} - -int -crypto_auth(unsigned char *out, const unsigned char *in, - unsigned long long inlen, const unsigned char *k) -{ - crypto_auth_hmacsha256_state state; - - crypto_auth_hmacsha256_init(&state, k, crypto_auth_KEYBYTES); - crypto_auth_hmacsha256_update(&state, in, inlen); - crypto_auth_hmacsha256_final(&state, out); - - return 0; -} |