summaryrefslogtreecommitdiffstats
path: root/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c
diff options
context:
space:
mode:
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.c296
1 files changed, 296 insertions, 0 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
new file mode 100644
index 00000000..738794ac
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_hash/sha256/cp/hash_sha256.c
@@ -0,0 +1,296 @@
+
+/*-
+ * 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;
+}