diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha512/cp/hash_sha512.c')
| -rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha512/cp/hash_sha512.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha512/cp/hash_sha512.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha512/cp/hash_sha512.c new file mode 100644 index 00000000..e85be74b --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha512/cp/hash_sha512.c @@ -0,0 +1,323 @@ + +/*- + * 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_sha512.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 be64dec _sha512_be64dec +#define be64enc _sha512_be64enc + +static inline uint64_t +be64dec(const void *pp) +{ + const uint8_t *p = (uint8_t const *)pp; + + return ((uint64_t)(p[7]) + ((uint64_t)(p[6]) << 8) + + ((uint64_t)(p[5]) << 16) + ((uint64_t)(p[4]) << 24) + + ((uint64_t)(p[3]) << 32) + ((uint64_t)(p[2]) << 40) + + ((uint64_t)(p[1]) << 48) + ((uint64_t)(p[0]) << 56)); +} + +static inline void +be64enc(void *pp, uint64_t x) +{ + uint8_t *p = (uint8_t *)pp; + + p[7] = x & 0xff; + p[6] = (x >> 8) & 0xff; + p[5] = (x >> 16) & 0xff; + p[4] = (x >> 24) & 0xff; + p[3] = (x >> 32) & 0xff; + p[2] = (x >> 40) & 0xff; + p[1] = (x >> 48) & 0xff; + p[0] = (x >> 56) & 0xff; +} + +static void +be64enc_vect(unsigned char *dst, const uint64_t *src, size_t len) +{ + size_t i; + + for (i = 0; i < len / 8; i++) { + be64enc(dst + i * 8, src[i]); + } +} + +static void +be64dec_vect(uint64_t *dst, const unsigned char *src, size_t len) +{ + size_t i; + + for (i = 0; i < len / 8; i++) { + dst[i] = be64dec(src + i * 8); + } +} + +#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 << (64 - n))) +#define S0(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39)) +#define S1(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41)) +#define s0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7)) +#define s1(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHR(x, 6)) + +#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[(80 - i) % 8], S[(81 - i) % 8], \ + S[(82 - i) % 8], S[(83 - i) % 8], \ + S[(84 - i) % 8], S[(85 - i) % 8], \ + S[(86 - i) % 8], S[(87 - i) % 8], \ + W[i] + k) + +static void +SHA512_Transform(uint64_t *state, const unsigned char block[128]) +{ + uint64_t W[80]; + uint64_t S[8]; + uint64_t t0, t1; + int i; + + be64dec_vect(W, block, 128); + for (i = 16; i < 80; i++) { + W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16]; + } + + memcpy(S, state, 64); + + RNDr(S, W, 0, 0x428a2f98d728ae22ULL); + RNDr(S, W, 1, 0x7137449123ef65cdULL); + RNDr(S, W, 2, 0xb5c0fbcfec4d3b2fULL); + RNDr(S, W, 3, 0xe9b5dba58189dbbcULL); + RNDr(S, W, 4, 0x3956c25bf348b538ULL); + RNDr(S, W, 5, 0x59f111f1b605d019ULL); + RNDr(S, W, 6, 0x923f82a4af194f9bULL); + RNDr(S, W, 7, 0xab1c5ed5da6d8118ULL); + RNDr(S, W, 8, 0xd807aa98a3030242ULL); + RNDr(S, W, 9, 0x12835b0145706fbeULL); + RNDr(S, W, 10, 0x243185be4ee4b28cULL); + RNDr(S, W, 11, 0x550c7dc3d5ffb4e2ULL); + RNDr(S, W, 12, 0x72be5d74f27b896fULL); + RNDr(S, W, 13, 0x80deb1fe3b1696b1ULL); + RNDr(S, W, 14, 0x9bdc06a725c71235ULL); + RNDr(S, W, 15, 0xc19bf174cf692694ULL); + RNDr(S, W, 16, 0xe49b69c19ef14ad2ULL); + RNDr(S, W, 17, 0xefbe4786384f25e3ULL); + RNDr(S, W, 18, 0x0fc19dc68b8cd5b5ULL); + RNDr(S, W, 19, 0x240ca1cc77ac9c65ULL); + RNDr(S, W, 20, 0x2de92c6f592b0275ULL); + RNDr(S, W, 21, 0x4a7484aa6ea6e483ULL); + RNDr(S, W, 22, 0x5cb0a9dcbd41fbd4ULL); + RNDr(S, W, 23, 0x76f988da831153b5ULL); + RNDr(S, W, 24, 0x983e5152ee66dfabULL); + RNDr(S, W, 25, 0xa831c66d2db43210ULL); + RNDr(S, W, 26, 0xb00327c898fb213fULL); + RNDr(S, W, 27, 0xbf597fc7beef0ee4ULL); + RNDr(S, W, 28, 0xc6e00bf33da88fc2ULL); + RNDr(S, W, 29, 0xd5a79147930aa725ULL); + RNDr(S, W, 30, 0x06ca6351e003826fULL); + RNDr(S, W, 31, 0x142929670a0e6e70ULL); + RNDr(S, W, 32, 0x27b70a8546d22ffcULL); + RNDr(S, W, 33, 0x2e1b21385c26c926ULL); + RNDr(S, W, 34, 0x4d2c6dfc5ac42aedULL); + RNDr(S, W, 35, 0x53380d139d95b3dfULL); + RNDr(S, W, 36, 0x650a73548baf63deULL); + RNDr(S, W, 37, 0x766a0abb3c77b2a8ULL); + RNDr(S, W, 38, 0x81c2c92e47edaee6ULL); + RNDr(S, W, 39, 0x92722c851482353bULL); + RNDr(S, W, 40, 0xa2bfe8a14cf10364ULL); + RNDr(S, W, 41, 0xa81a664bbc423001ULL); + RNDr(S, W, 42, 0xc24b8b70d0f89791ULL); + RNDr(S, W, 43, 0xc76c51a30654be30ULL); + RNDr(S, W, 44, 0xd192e819d6ef5218ULL); + RNDr(S, W, 45, 0xd69906245565a910ULL); + RNDr(S, W, 46, 0xf40e35855771202aULL); + RNDr(S, W, 47, 0x106aa07032bbd1b8ULL); + RNDr(S, W, 48, 0x19a4c116b8d2d0c8ULL); + RNDr(S, W, 49, 0x1e376c085141ab53ULL); + RNDr(S, W, 50, 0x2748774cdf8eeb99ULL); + RNDr(S, W, 51, 0x34b0bcb5e19b48a8ULL); + RNDr(S, W, 52, 0x391c0cb3c5c95a63ULL); + RNDr(S, W, 53, 0x4ed8aa4ae3418acbULL); + RNDr(S, W, 54, 0x5b9cca4f7763e373ULL); + RNDr(S, W, 55, 0x682e6ff3d6b2b8a3ULL); + RNDr(S, W, 56, 0x748f82ee5defb2fcULL); + RNDr(S, W, 57, 0x78a5636f43172f60ULL); + RNDr(S, W, 58, 0x84c87814a1f0ab72ULL); + RNDr(S, W, 59, 0x8cc702081a6439ecULL); + RNDr(S, W, 60, 0x90befffa23631e28ULL); + RNDr(S, W, 61, 0xa4506cebde82bde9ULL); + RNDr(S, W, 62, 0xbef9a3f7b2c67915ULL); + RNDr(S, W, 63, 0xc67178f2e372532bULL); + RNDr(S, W, 64, 0xca273eceea26619cULL); + RNDr(S, W, 65, 0xd186b8c721c0c207ULL); + RNDr(S, W, 66, 0xeada7dd6cde0eb1eULL); + RNDr(S, W, 67, 0xf57d4f7fee6ed178ULL); + RNDr(S, W, 68, 0x06f067aa72176fbaULL); + RNDr(S, W, 69, 0x0a637dc5a2c898a6ULL); + RNDr(S, W, 70, 0x113f9804bef90daeULL); + RNDr(S, W, 71, 0x1b710b35131c471bULL); + RNDr(S, W, 72, 0x28db77f523047d84ULL); + RNDr(S, W, 73, 0x32caab7b40c72493ULL); + RNDr(S, W, 74, 0x3c9ebe0a15c9bebcULL); + RNDr(S, W, 75, 0x431d67c49c100d4cULL); + RNDr(S, W, 76, 0x4cc5d4becb3e42b6ULL); + RNDr(S, W, 77, 0x597f299cfc657e2aULL); + RNDr(S, W, 78, 0x5fcb6fab3ad6faecULL); + RNDr(S, W, 79, 0x6c44198c4a475817ULL); + + 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[128] = { + 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, + 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, 0 +}; + +static void +SHA512_Pad(crypto_hash_sha512_state *state) +{ + unsigned char len[16]; + uint64_t r, plen; + + be64enc_vect(len, state->count, 16); + + r = (state->count[1] >> 3) & 0x7f; + plen = (r < 112) ? (112 - r) : (240 - r); + crypto_hash_sha512_update(state, PAD, (unsigned long long) plen); + + crypto_hash_sha512_update(state, len, 16); +} + +int +crypto_hash_sha512_init(crypto_hash_sha512_state *state) +{ + state->count[0] = state->count[1] = 0; + + state->state[0] = 0x6a09e667f3bcc908ULL; + state->state[1] = 0xbb67ae8584caa73bULL; + state->state[2] = 0x3c6ef372fe94f82bULL; + state->state[3] = 0xa54ff53a5f1d36f1ULL; + state->state[4] = 0x510e527fade682d1ULL; + state->state[5] = 0x9b05688c2b3e6c1fULL; + state->state[6] = 0x1f83d9abfb41bd6bULL; + state->state[7] = 0x5be0cd19137e2179ULL; + + return 0; +} + +int +crypto_hash_sha512_update(crypto_hash_sha512_state *state, + const unsigned char *in, + unsigned long long inlen) +{ + uint64_t bitlen[2]; + uint64_t r; + const unsigned char *src = in; + + r = (state->count[1] >> 3) & 0x7f; + + bitlen[1] = ((uint64_t)inlen) << 3; + bitlen[0] = ((uint64_t)inlen) >> 61; + + /* LCOV_EXCL_START */ + if ((state->count[1] += bitlen[1]) < bitlen[1]) { + state->count[0]++; + } + /* LCOV_EXCL_STOP */ + state->count[0] += bitlen[0]; + + if (inlen < 128 - r) { + memcpy(&state->buf[r], src, inlen); + return 0; + } + memcpy(&state->buf[r], src, 128 - r); + SHA512_Transform(state->state, state->buf); + src += 128 - r; + inlen -= 128 - r; + + while (inlen >= 128) { + SHA512_Transform(state->state, src); + src += 128; + inlen -= 128; + } + memcpy(state->buf, src, inlen); + + return 0; +} + +int +crypto_hash_sha512_final(crypto_hash_sha512_state *state, + unsigned char *out) +{ + SHA512_Pad(state); + be64enc_vect(out, state->state, 64); + sodium_memzero((void *) state, sizeof *state); + + return 0; +} + +int +crypto_hash(unsigned char *out, const unsigned char *in, + unsigned long long inlen) +{ + crypto_hash_sha512_state state; + + crypto_hash_sha512_init(&state); + crypto_hash_sha512_update(&state, in, inlen); + crypto_hash_sha512_final(&state, out); + + return 0; +} |