diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c deleted file mode 100644 index 738794ac..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c +++ /dev/null @@ -1,296 +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_hash_sha256.h" -#include "utils.h" - -#include <sys/types.h> - -#include <limits.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> - -/* Avoid namespace collisions with BSD <sys/endian.h>. */ -#define be32dec _sha256_be32dec -#define be32enc _sha256_be32enc - -static inline uint32_t -be32dec(const void *pp) -{ - const uint8_t *p = (uint8_t const *)pp; - - return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) + - ((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24)); -} - -static inline void -be32enc(void *pp, uint32_t x) -{ - uint8_t * p = (uint8_t *)pp; - - p[3] = x & 0xff; - p[2] = (x >> 8) & 0xff; - p[1] = (x >> 16) & 0xff; - p[0] = (x >> 24) & 0xff; -} - -static void -be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len) -{ - size_t i; - - for (i = 0; i < len / 4; i++) { - be32enc(dst + i * 4, src[i]); - } -} - -static void -be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len) -{ - size_t i; - - for (i = 0; i < len / 4; i++) { - dst[i] = be32dec(src + i * 4); - } -} - -#define Ch(x, y, z) ((x & (y ^ z)) ^ z) -#define Maj(x, y, z) ((x & (y | z)) | (y & z)) -#define SHR(x, n) (x >> n) -#define ROTR(x, n) ((x >> n) | (x << (32 - n))) -#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22)) -#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25)) -#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3)) -#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10)) - -#define RND(a, b, c, d, e, f, g, h, k) \ - t0 = h + S1(e) + Ch(e, f, g) + k; \ - t1 = S0(a) + Maj(a, b, c); \ - d += t0; \ - h = t0 + t1; - -#define RNDr(S, W, i, k) \ - RND(S[(64 - i) % 8], S[(65 - i) % 8], \ - S[(66 - i) % 8], S[(67 - i) % 8], \ - S[(68 - i) % 8], S[(69 - i) % 8], \ - S[(70 - i) % 8], S[(71 - i) % 8], \ - W[i] + k) - -static void -SHA256_Transform(uint32_t *state, const unsigned char block[64]) -{ - uint32_t W[64]; - uint32_t S[8]; - uint32_t t0, t1; - int i; - - be32dec_vect(W, block, 64); - for (i = 16; i < 64; i++) { - W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16]; - } - - memcpy(S, state, 32); - - RNDr(S, W, 0, 0x428a2f98); - RNDr(S, W, 1, 0x71374491); - RNDr(S, W, 2, 0xb5c0fbcf); - RNDr(S, W, 3, 0xe9b5dba5); - RNDr(S, W, 4, 0x3956c25b); - RNDr(S, W, 5, 0x59f111f1); - RNDr(S, W, 6, 0x923f82a4); - RNDr(S, W, 7, 0xab1c5ed5); - RNDr(S, W, 8, 0xd807aa98); - RNDr(S, W, 9, 0x12835b01); - RNDr(S, W, 10, 0x243185be); - RNDr(S, W, 11, 0x550c7dc3); - RNDr(S, W, 12, 0x72be5d74); - RNDr(S, W, 13, 0x80deb1fe); - RNDr(S, W, 14, 0x9bdc06a7); - RNDr(S, W, 15, 0xc19bf174); - RNDr(S, W, 16, 0xe49b69c1); - RNDr(S, W, 17, 0xefbe4786); - RNDr(S, W, 18, 0x0fc19dc6); - RNDr(S, W, 19, 0x240ca1cc); - RNDr(S, W, 20, 0x2de92c6f); - RNDr(S, W, 21, 0x4a7484aa); - RNDr(S, W, 22, 0x5cb0a9dc); - RNDr(S, W, 23, 0x76f988da); - RNDr(S, W, 24, 0x983e5152); - RNDr(S, W, 25, 0xa831c66d); - RNDr(S, W, 26, 0xb00327c8); - RNDr(S, W, 27, 0xbf597fc7); - RNDr(S, W, 28, 0xc6e00bf3); - RNDr(S, W, 29, 0xd5a79147); - RNDr(S, W, 30, 0x06ca6351); - RNDr(S, W, 31, 0x14292967); - RNDr(S, W, 32, 0x27b70a85); - RNDr(S, W, 33, 0x2e1b2138); - RNDr(S, W, 34, 0x4d2c6dfc); - RNDr(S, W, 35, 0x53380d13); - RNDr(S, W, 36, 0x650a7354); - RNDr(S, W, 37, 0x766a0abb); - RNDr(S, W, 38, 0x81c2c92e); - RNDr(S, W, 39, 0x92722c85); - RNDr(S, W, 40, 0xa2bfe8a1); - RNDr(S, W, 41, 0xa81a664b); - RNDr(S, W, 42, 0xc24b8b70); - RNDr(S, W, 43, 0xc76c51a3); - RNDr(S, W, 44, 0xd192e819); - RNDr(S, W, 45, 0xd6990624); - RNDr(S, W, 46, 0xf40e3585); - RNDr(S, W, 47, 0x106aa070); - RNDr(S, W, 48, 0x19a4c116); - RNDr(S, W, 49, 0x1e376c08); - RNDr(S, W, 50, 0x2748774c); - RNDr(S, W, 51, 0x34b0bcb5); - RNDr(S, W, 52, 0x391c0cb3); - RNDr(S, W, 53, 0x4ed8aa4a); - RNDr(S, W, 54, 0x5b9cca4f); - RNDr(S, W, 55, 0x682e6ff3); - RNDr(S, W, 56, 0x748f82ee); - RNDr(S, W, 57, 0x78a5636f); - RNDr(S, W, 58, 0x84c87814); - RNDr(S, W, 59, 0x8cc70208); - RNDr(S, W, 60, 0x90befffa); - RNDr(S, W, 61, 0xa4506ceb); - RNDr(S, W, 62, 0xbef9a3f7); - RNDr(S, W, 63, 0xc67178f2); - - for (i = 0; i < 8; i++) { - state[i] += S[i]; - } - - sodium_memzero((void *) W, sizeof W); - sodium_memzero((void *) S, sizeof S); - sodium_memzero((void *) &t0, sizeof t0); - sodium_memzero((void *) &t1, sizeof t1); -} - -static unsigned char PAD[64] = { - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -static void -SHA256_Pad(crypto_hash_sha256_state *state) -{ - unsigned char len[8]; - uint32_t r, plen; - - be32enc_vect(len, state->count, 8); - - r = (state->count[1] >> 3) & 0x3f; - plen = (r < 56) ? (56 - r) : (120 - r); - crypto_hash_sha256_update(state, PAD, (unsigned long long) plen); - - crypto_hash_sha256_update(state, len, 8); -} - -int -crypto_hash_sha256_init(crypto_hash_sha256_state *state) -{ - state->count[0] = state->count[1] = 0; - - state->state[0] = 0x6A09E667; - state->state[1] = 0xBB67AE85; - state->state[2] = 0x3C6EF372; - state->state[3] = 0xA54FF53A; - state->state[4] = 0x510E527F; - state->state[5] = 0x9B05688C; - state->state[6] = 0x1F83D9AB; - state->state[7] = 0x5BE0CD19; - - return 0; -} - -int -crypto_hash_sha256_update(crypto_hash_sha256_state *state, - const unsigned char *in, - unsigned long long inlen) -{ - uint32_t bitlen[2]; - uint32_t r; - - r = (state->count[1] >> 3) & 0x3f; - - bitlen[1] = ((uint32_t)inlen) << 3; - bitlen[0] = (uint32_t)(inlen >> 29); - - /* LCOV_EXCL_START */ - if ((state->count[1] += bitlen[1]) < bitlen[1]) { - state->count[0]++; - } - /* LCOV_EXCL_STOP */ - state->count[0] += bitlen[0]; - - if (inlen < 64 - r) { - memcpy(&state->buf[r], in, inlen); - return 0; - } - memcpy(&state->buf[r], in, 64 - r); - SHA256_Transform(state->state, state->buf); - in += 64 - r; - inlen -= 64 - r; - - while (inlen >= 64) { - SHA256_Transform(state->state, in); - in += 64; - inlen -= 64; - } - memcpy(state->buf, in, inlen); - - return 0; -} - -int -crypto_hash_sha256_final(crypto_hash_sha256_state *state, - unsigned char *out) -{ - SHA256_Pad(state); - be32enc_vect(out, state->state, 32); - sodium_memzero((void *) state, sizeof *state); - - return 0; -} - -int -crypto_hash(unsigned char *out, const unsigned char *in, - unsigned long long inlen) -{ - crypto_hash_sha256_state state; - - crypto_hash_sha256_init(&state); - crypto_hash_sha256_update(&state, in, inlen); - crypto_hash_sha256_final(&state, out); - - return 0; -} |