* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/// $CompilerFlags: -Ivendor_directory("sha2")
+/// $CompilerFlags: require_compiler("GCC") -Wno-long-long
-/* m_sha256 - Based on m_opersha256 written by Special <john@yarbbles.com>
- * Modified and improved by Craig Edwards, December 2006.
- *
- *
- * FIPS 180-2 SHA-224/256/384/512 implementation
- * Last update: 05/23/2005
- * Issue date: 04/30/2005
- *
- * Copyright (C) 2005 Olivier Gay <olivier.gay@a3.epfl.ch>
- * 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.
- * 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
- */
+
+// Fix warnings about the use of `long long` on C++03.
+#if defined __clang__
+# pragma clang diagnostic ignored "-Wc++11-long-long"
+#elif defined __GNUC__
+# pragma GCC diagnostic ignored "-Wlong-long"
+#endif
#include "inspircd.h"
#include "modules/hash.h"
-#define SHA256_DIGEST_SIZE (256 / 8)
-#define SHA256_BLOCK_SIZE (512 / 8)
-
-/** An sha 256 context, used by m_opersha256
- */
-class SHA256Context
-{
- public:
- unsigned int tot_len;
- unsigned int len;
- unsigned char block[2 * SHA256_BLOCK_SIZE];
- uint32_t h[8];
-};
-
-#define SHFR(x, n) (x >> n)
-#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
-#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
-#define CH(x, y, z) ((x & y) ^ (~x & z))
-#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-
-#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
-#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
-#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
-#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
-
-#define UNPACK32(x, str) \
-{ \
- *((str) + 3) = (uint8_t) ((x) ); \
- *((str) + 2) = (uint8_t) ((x) >> 8); \
- *((str) + 1) = (uint8_t) ((x) >> 16); \
- *((str) + 0) = (uint8_t) ((x) >> 24); \
-}
-
-#define PACK32(str, x) \
-{ \
- *(x) = ((uint32_t) *((str) + 3) ) \
- | ((uint32_t) *((str) + 2) << 8) \
- | ((uint32_t) *((str) + 1) << 16) \
- | ((uint32_t) *((str) + 0) << 24); \
-}
-
-/* Macros used for loops unrolling */
-
-#define SHA256_SCR(i) \
-{ \
- w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
- + SHA256_F3(w[i - 15]) + w[i - 16]; \
-}
-
-const unsigned int sha256_h0[8] =
-{
- 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
- 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
-};
-
-uint32_t sha256_k[64] =
-{
- 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
- 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
- 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
- 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
- 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
- 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
- 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
- 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
- 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
- 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
- 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
- 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
- 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
- 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
- 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
- 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-};
+#include <sha2.c>
class HashSHA256 : public HashProvider
{
- void SHA256Init(SHA256Context *ctx, const unsigned int* ikey)
- {
- if (ikey)
- {
- for (int i = 0; i < 8; i++)
- ctx->h[i] = ikey[i];
- }
- else
- {
- for (int i = 0; i < 8; i++)
- ctx->h[i] = sha256_h0[i];
- }
- ctx->len = 0;
- ctx->tot_len = 0;
- }
-
- void SHA256Transform(SHA256Context *ctx, unsigned char *message, unsigned int block_nb)
- {
- uint32_t w[64];
- uint32_t wv[8];
- unsigned char *sub_block;
- for (unsigned int i = 1; i <= block_nb; i++)
- {
- int j;
- sub_block = message + ((i - 1) << 6);
-
- for (j = 0; j < 16; j++)
- PACK32(&sub_block[j << 2], &w[j]);
- for (j = 16; j < 64; j++)
- SHA256_SCR(j);
- for (j = 0; j < 8; j++)
- wv[j] = ctx->h[j];
- for (j = 0; j < 64; j++)
- {
- uint32_t t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6]) + sha256_k[j] + w[j];
- uint32_t t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
- wv[7] = wv[6];
- wv[6] = wv[5];
- wv[5] = wv[4];
- wv[4] = wv[3] + t1;
- wv[3] = wv[2];
- wv[2] = wv[1];
- wv[1] = wv[0];
- wv[0] = t1 + t2;
- }
- for (j = 0; j < 8; j++)
- ctx->h[j] += wv[j];
- }
- }
-
- void SHA256Update(SHA256Context *ctx, unsigned char *message, unsigned int len)
- {
- /*
- * XXX here be dragons!
- * After many hours of pouring over this, I think I've found the problem.
- * When Special created our module from the reference one, he used:
- *
- * unsigned int rem_len = SHA256_BLOCK_SIZE - ctx->len;
- *
- * instead of the reference's version of:
- *
- * unsigned int tmp_len = SHA256_BLOCK_SIZE - ctx->len;
- * unsigned int rem_len = len < tmp_len ? len : tmp_len;
- *
- * I've changed back to the reference version of this code, and it seems to work with no errors.
- * So I'm inclined to believe this was the problem..
- * -- w00t (January 06, 2008)
- */
- unsigned int tmp_len = SHA256_BLOCK_SIZE - ctx->len;
- unsigned int rem_len = len < tmp_len ? len : tmp_len;
-
-
- memcpy(&ctx->block[ctx->len], message, rem_len);
- if (ctx->len + len < SHA256_BLOCK_SIZE)
- {
- ctx->len += len;
- return;
- }
- unsigned int new_len = len - rem_len;
- unsigned int block_nb = new_len / SHA256_BLOCK_SIZE;
- unsigned char *shifted_message = message + rem_len;
- SHA256Transform(ctx, ctx->block, 1);
- SHA256Transform(ctx, shifted_message, block_nb);
- rem_len = new_len % SHA256_BLOCK_SIZE;
- memcpy(ctx->block, &shifted_message[block_nb << 6],rem_len);
- ctx->len = rem_len;
- ctx->tot_len += (block_nb + 1) << 6;
- }
-
- void SHA256Final(SHA256Context *ctx, unsigned char *digest)
- {
- unsigned int block_nb = (1 + ((SHA256_BLOCK_SIZE - 9) < (ctx->len % SHA256_BLOCK_SIZE)));
- unsigned int len_b = (ctx->tot_len + ctx->len) << 3;
- unsigned int pm_len = block_nb << 6;
- memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
- ctx->block[ctx->len] = 0x80;
- UNPACK32(len_b, ctx->block + pm_len - 4);
- SHA256Transform(ctx, ctx->block, block_nb);
- for (int i = 0 ; i < 8; i++)
- UNPACK32(ctx->h[i], &digest[i << 2]);
- }
-
- void SHA256(const char *src, unsigned char *dest, unsigned int len)
- {
- SHA256Context ctx;
- SHA256Init(&ctx, NULL);
- SHA256Update(&ctx, (unsigned char *)src, len);
- SHA256Final(&ctx, dest);
- }
-
public:
std::string GenerateRaw(const std::string& data) CXX11_OVERRIDE
{
unsigned char bytes[SHA256_DIGEST_SIZE];
- SHA256(data.data(), bytes, data.length());
+ sha256((unsigned char*)data.data(), data.length(), bytes);
return std::string((char*)bytes, SHA256_DIGEST_SIZE);
}
- HashSHA256(Module* parent) : HashProvider(parent, "sha256", 32, 64) {}
+ HashSHA256(Module* parent)
+ : HashProvider(parent, "sha256", 32, 64)
+ {
+ }
};
class ModuleSHA256 : public Module
--- /dev/null
+/*
+ * FIPS 180-2 SHA-224/256/384/512 implementation
+ * Last update: 02/02/2007
+ * Issue date: 04/30/2005
+ *
+ * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
+ * 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.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
+ */
+
+#if 0
+#define UNROLL_LOOPS /* Enable loops unrolling */
+#endif
+
+#include <string.h>
+
+#include "sha2.h"
+
+#define SHFR(x, n) (x >> n)
+#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
+#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
+#define CH(x, y, z) ((x & y) ^ (~x & z))
+#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
+
+#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
+#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
+#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
+#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
+
+#define SHA512_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
+#define SHA512_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
+#define SHA512_F3(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHFR(x, 7))
+#define SHA512_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x, 6))
+
+#define UNPACK32(x, str) \
+{ \
+ *((str) + 3) = (uint8) ((x) ); \
+ *((str) + 2) = (uint8) ((x) >> 8); \
+ *((str) + 1) = (uint8) ((x) >> 16); \
+ *((str) + 0) = (uint8) ((x) >> 24); \
+}
+
+#define PACK32(str, x) \
+{ \
+ *(x) = ((uint32) *((str) + 3) ) \
+ | ((uint32) *((str) + 2) << 8) \
+ | ((uint32) *((str) + 1) << 16) \
+ | ((uint32) *((str) + 0) << 24); \
+}
+
+#define UNPACK64(x, str) \
+{ \
+ *((str) + 7) = (uint8) ((x) ); \
+ *((str) + 6) = (uint8) ((x) >> 8); \
+ *((str) + 5) = (uint8) ((x) >> 16); \
+ *((str) + 4) = (uint8) ((x) >> 24); \
+ *((str) + 3) = (uint8) ((x) >> 32); \
+ *((str) + 2) = (uint8) ((x) >> 40); \
+ *((str) + 1) = (uint8) ((x) >> 48); \
+ *((str) + 0) = (uint8) ((x) >> 56); \
+}
+
+#define PACK64(str, x) \
+{ \
+ *(x) = ((uint64) *((str) + 7) ) \
+ | ((uint64) *((str) + 6) << 8) \
+ | ((uint64) *((str) + 5) << 16) \
+ | ((uint64) *((str) + 4) << 24) \
+ | ((uint64) *((str) + 3) << 32) \
+ | ((uint64) *((str) + 2) << 40) \
+ | ((uint64) *((str) + 1) << 48) \
+ | ((uint64) *((str) + 0) << 56); \
+}
+
+/* Macros used for loops unrolling */
+
+#define SHA256_SCR(i) \
+{ \
+ w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
+ + SHA256_F3(w[i - 15]) + w[i - 16]; \
+}
+
+#define SHA512_SCR(i) \
+{ \
+ w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \
+ + SHA512_F3(w[i - 15]) + w[i - 16]; \
+}
+
+#define SHA256_EXP(a, b, c, d, e, f, g, h, j) \
+{ \
+ t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
+ + sha256_k[j] + w[j]; \
+ t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
+ wv[d] += t1; \
+ wv[h] = t1 + t2; \
+}
+
+#define SHA512_EXP(a, b, c, d, e, f, g ,h, j) \
+{ \
+ t1 = wv[h] + SHA512_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
+ + sha512_k[j] + w[j]; \
+ t2 = SHA512_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
+ wv[d] += t1; \
+ wv[h] = t1 + t2; \
+}
+
+uint32 sha224_h0[8] =
+ {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+ 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4};
+
+uint32 sha256_h0[8] =
+ {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+
+uint64 sha384_h0[8] =
+ {0xcbbb9d5dc1059ed8ULL, 0x629a292a367cd507ULL,
+ 0x9159015a3070dd17ULL, 0x152fecd8f70e5939ULL,
+ 0x67332667ffc00b31ULL, 0x8eb44a8768581511ULL,
+ 0xdb0c2e0d64f98fa7ULL, 0x47b5481dbefa4fa4ULL};
+
+uint64 sha512_h0[8] =
+ {0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
+ 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
+ 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL};
+
+uint32 sha256_k[64] =
+ {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
+
+uint64 sha512_k[80] =
+ {0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
+ 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
+ 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
+ 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
+ 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
+ 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
+ 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
+ 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
+ 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
+ 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
+ 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
+ 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
+ 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
+ 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
+ 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
+ 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
+ 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
+ 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
+ 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
+ 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
+ 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
+ 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
+ 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
+ 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
+ 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
+ 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
+ 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
+ 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
+ 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
+ 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
+ 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
+ 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
+ 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
+ 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
+ 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
+ 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
+ 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
+ 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
+ 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
+ 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL};
+
+/* SHA-256 functions */
+
+void sha256_transf(sha256_ctx *ctx, const unsigned char *message,
+ unsigned int block_nb)
+{
+ uint32 w[64];
+ uint32 wv[8];
+ uint32 t1, t2;
+ const unsigned char *sub_block;
+ int i;
+
+#ifndef UNROLL_LOOPS
+ int j;
+#endif
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = message + (i << 6);
+
+#ifndef UNROLL_LOOPS
+ for (j = 0; j < 16; j++) {
+ PACK32(&sub_block[j << 2], &w[j]);
+ }
+
+ for (j = 16; j < 64; j++) {
+ SHA256_SCR(j);
+ }
+
+ for (j = 0; j < 8; j++) {
+ wv[j] = ctx->h[j];
+ }
+
+ for (j = 0; j < 64; j++) {
+ t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ + sha256_k[j] + w[j];
+ t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
+ wv[7] = wv[6];
+ wv[6] = wv[5];
+ wv[5] = wv[4];
+ wv[4] = wv[3] + t1;
+ wv[3] = wv[2];
+ wv[2] = wv[1];
+ wv[1] = wv[0];
+ wv[0] = t1 + t2;
+ }
+
+ for (j = 0; j < 8; j++) {
+ ctx->h[j] += wv[j];
+ }
+#else
+ PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]);
+ PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]);
+ PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]);
+ PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]);
+ PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]);
+ PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]);
+ PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]);
+ PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]);
+
+ SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19);
+ SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23);
+ SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27);
+ SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31);
+ SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35);
+ SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39);
+ SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43);
+ SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47);
+ SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51);
+ SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55);
+ SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59);
+ SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63);
+
+ wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
+ wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
+ wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
+ wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
+
+ SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1);
+ SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3);
+ SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5);
+ SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7);
+ SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9);
+ SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11);
+ SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13);
+ SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15);
+ SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17);
+ SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19);
+ SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21);
+ SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23);
+ SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25);
+ SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27);
+ SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29);
+ SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31);
+ SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33);
+ SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35);
+ SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37);
+ SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39);
+ SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41);
+ SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43);
+ SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45);
+ SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47);
+ SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49);
+ SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51);
+ SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53);
+ SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55);
+ SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57);
+ SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59);
+ SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61);
+ SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63);
+
+ ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
+ ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
+ ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
+ ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
+#endif /* !UNROLL_LOOPS */
+ }
+}
+
+void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
+{
+ sha256_ctx ctx;
+
+ sha256_init(&ctx);
+ sha256_update(&ctx, message, len);
+ sha256_final(&ctx, digest);
+}
+
+void sha256_init(sha256_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha256_h0[i];
+ }
+#else
+ ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1];
+ ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3];
+ ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5];
+ ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha256_update(sha256_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA256_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA256_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA256_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha256_transf(ctx, ctx->block, 1);
+ sha256_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA256_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 6],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 6;
+}
+
+void sha256_final(sha256_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA256_BLOCK_SIZE - 9)
+ < (ctx->len % SHA256_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 6;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha256_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 8; i++) {
+ UNPACK32(ctx->h[i], &digest[i << 2]);
+ }
+#else
+ UNPACK32(ctx->h[0], &digest[ 0]);
+ UNPACK32(ctx->h[1], &digest[ 4]);
+ UNPACK32(ctx->h[2], &digest[ 8]);
+ UNPACK32(ctx->h[3], &digest[12]);
+ UNPACK32(ctx->h[4], &digest[16]);
+ UNPACK32(ctx->h[5], &digest[20]);
+ UNPACK32(ctx->h[6], &digest[24]);
+ UNPACK32(ctx->h[7], &digest[28]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-512 functions */
+
+void sha512_transf(sha512_ctx *ctx, const unsigned char *message,
+ unsigned int block_nb)
+{
+ uint64 w[80];
+ uint64 wv[8];
+ uint64 t1, t2;
+ const unsigned char *sub_block;
+ int i, j;
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = message + (i << 7);
+
+#ifndef UNROLL_LOOPS
+ for (j = 0; j < 16; j++) {
+ PACK64(&sub_block[j << 3], &w[j]);
+ }
+
+ for (j = 16; j < 80; j++) {
+ SHA512_SCR(j);
+ }
+
+ for (j = 0; j < 8; j++) {
+ wv[j] = ctx->h[j];
+ }
+
+ for (j = 0; j < 80; j++) {
+ t1 = wv[7] + SHA512_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ + sha512_k[j] + w[j];
+ t2 = SHA512_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
+ wv[7] = wv[6];
+ wv[6] = wv[5];
+ wv[5] = wv[4];
+ wv[4] = wv[3] + t1;
+ wv[3] = wv[2];
+ wv[2] = wv[1];
+ wv[1] = wv[0];
+ wv[0] = t1 + t2;
+ }
+
+ for (j = 0; j < 8; j++) {
+ ctx->h[j] += wv[j];
+ }
+#else
+ PACK64(&sub_block[ 0], &w[ 0]); PACK64(&sub_block[ 8], &w[ 1]);
+ PACK64(&sub_block[ 16], &w[ 2]); PACK64(&sub_block[ 24], &w[ 3]);
+ PACK64(&sub_block[ 32], &w[ 4]); PACK64(&sub_block[ 40], &w[ 5]);
+ PACK64(&sub_block[ 48], &w[ 6]); PACK64(&sub_block[ 56], &w[ 7]);
+ PACK64(&sub_block[ 64], &w[ 8]); PACK64(&sub_block[ 72], &w[ 9]);
+ PACK64(&sub_block[ 80], &w[10]); PACK64(&sub_block[ 88], &w[11]);
+ PACK64(&sub_block[ 96], &w[12]); PACK64(&sub_block[104], &w[13]);
+ PACK64(&sub_block[112], &w[14]); PACK64(&sub_block[120], &w[15]);
+
+ SHA512_SCR(16); SHA512_SCR(17); SHA512_SCR(18); SHA512_SCR(19);
+ SHA512_SCR(20); SHA512_SCR(21); SHA512_SCR(22); SHA512_SCR(23);
+ SHA512_SCR(24); SHA512_SCR(25); SHA512_SCR(26); SHA512_SCR(27);
+ SHA512_SCR(28); SHA512_SCR(29); SHA512_SCR(30); SHA512_SCR(31);
+ SHA512_SCR(32); SHA512_SCR(33); SHA512_SCR(34); SHA512_SCR(35);
+ SHA512_SCR(36); SHA512_SCR(37); SHA512_SCR(38); SHA512_SCR(39);
+ SHA512_SCR(40); SHA512_SCR(41); SHA512_SCR(42); SHA512_SCR(43);
+ SHA512_SCR(44); SHA512_SCR(45); SHA512_SCR(46); SHA512_SCR(47);
+ SHA512_SCR(48); SHA512_SCR(49); SHA512_SCR(50); SHA512_SCR(51);
+ SHA512_SCR(52); SHA512_SCR(53); SHA512_SCR(54); SHA512_SCR(55);
+ SHA512_SCR(56); SHA512_SCR(57); SHA512_SCR(58); SHA512_SCR(59);
+ SHA512_SCR(60); SHA512_SCR(61); SHA512_SCR(62); SHA512_SCR(63);
+ SHA512_SCR(64); SHA512_SCR(65); SHA512_SCR(66); SHA512_SCR(67);
+ SHA512_SCR(68); SHA512_SCR(69); SHA512_SCR(70); SHA512_SCR(71);
+ SHA512_SCR(72); SHA512_SCR(73); SHA512_SCR(74); SHA512_SCR(75);
+ SHA512_SCR(76); SHA512_SCR(77); SHA512_SCR(78); SHA512_SCR(79);
+
+ wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
+ wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
+ wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
+ wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
+
+ j = 0;
+
+ do {
+ SHA512_EXP(0,1,2,3,4,5,6,7,j); j++;
+ SHA512_EXP(7,0,1,2,3,4,5,6,j); j++;
+ SHA512_EXP(6,7,0,1,2,3,4,5,j); j++;
+ SHA512_EXP(5,6,7,0,1,2,3,4,j); j++;
+ SHA512_EXP(4,5,6,7,0,1,2,3,j); j++;
+ SHA512_EXP(3,4,5,6,7,0,1,2,j); j++;
+ SHA512_EXP(2,3,4,5,6,7,0,1,j); j++;
+ SHA512_EXP(1,2,3,4,5,6,7,0,j); j++;
+ } while (j < 80);
+
+ ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
+ ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
+ ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
+ ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
+#endif /* !UNROLL_LOOPS */
+ }
+}
+
+void sha512(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha512_ctx ctx;
+
+ sha512_init(&ctx);
+ sha512_update(&ctx, message, len);
+ sha512_final(&ctx, digest);
+}
+
+void sha512_init(sha512_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha512_h0[i];
+ }
+#else
+ ctx->h[0] = sha512_h0[0]; ctx->h[1] = sha512_h0[1];
+ ctx->h[2] = sha512_h0[2]; ctx->h[3] = sha512_h0[3];
+ ctx->h[4] = sha512_h0[4]; ctx->h[5] = sha512_h0[5];
+ ctx->h[6] = sha512_h0[6]; ctx->h[7] = sha512_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha512_update(sha512_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA512_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA512_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA512_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha512_transf(ctx, ctx->block, 1);
+ sha512_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA512_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 7],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 7;
+}
+
+void sha512_final(sha512_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = 1 + ((SHA512_BLOCK_SIZE - 17)
+ < (ctx->len % SHA512_BLOCK_SIZE));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 7;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha512_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 8; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+#else
+ UNPACK64(ctx->h[0], &digest[ 0]);
+ UNPACK64(ctx->h[1], &digest[ 8]);
+ UNPACK64(ctx->h[2], &digest[16]);
+ UNPACK64(ctx->h[3], &digest[24]);
+ UNPACK64(ctx->h[4], &digest[32]);
+ UNPACK64(ctx->h[5], &digest[40]);
+ UNPACK64(ctx->h[6], &digest[48]);
+ UNPACK64(ctx->h[7], &digest[56]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-384 functions */
+
+void sha384(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha384_ctx ctx;
+
+ sha384_init(&ctx);
+ sha384_update(&ctx, message, len);
+ sha384_final(&ctx, digest);
+}
+
+void sha384_init(sha384_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha384_h0[i];
+ }
+#else
+ ctx->h[0] = sha384_h0[0]; ctx->h[1] = sha384_h0[1];
+ ctx->h[2] = sha384_h0[2]; ctx->h[3] = sha384_h0[3];
+ ctx->h[4] = sha384_h0[4]; ctx->h[5] = sha384_h0[5];
+ ctx->h[6] = sha384_h0[6]; ctx->h[7] = sha384_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha384_update(sha384_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA384_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA384_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA384_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha512_transf(ctx, ctx->block, 1);
+ sha512_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA384_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 7],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 7;
+}
+
+void sha384_final(sha384_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA384_BLOCK_SIZE - 17)
+ < (ctx->len % SHA384_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 7;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha512_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 6; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+#else
+ UNPACK64(ctx->h[0], &digest[ 0]);
+ UNPACK64(ctx->h[1], &digest[ 8]);
+ UNPACK64(ctx->h[2], &digest[16]);
+ UNPACK64(ctx->h[3], &digest[24]);
+ UNPACK64(ctx->h[4], &digest[32]);
+ UNPACK64(ctx->h[5], &digest[40]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-224 functions */
+
+void sha224(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha224_ctx ctx;
+
+ sha224_init(&ctx);
+ sha224_update(&ctx, message, len);
+ sha224_final(&ctx, digest);
+}
+
+void sha224_init(sha224_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha224_h0[i];
+ }
+#else
+ ctx->h[0] = sha224_h0[0]; ctx->h[1] = sha224_h0[1];
+ ctx->h[2] = sha224_h0[2]; ctx->h[3] = sha224_h0[3];
+ ctx->h[4] = sha224_h0[4]; ctx->h[5] = sha224_h0[5];
+ ctx->h[6] = sha224_h0[6]; ctx->h[7] = sha224_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha224_update(sha224_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA224_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA224_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA224_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha256_transf(ctx, ctx->block, 1);
+ sha256_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA224_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 6],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 6;
+}
+
+void sha224_final(sha224_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA224_BLOCK_SIZE - 9)
+ < (ctx->len % SHA224_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 6;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha256_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 7; i++) {
+ UNPACK32(ctx->h[i], &digest[i << 2]);
+ }
+#else
+ UNPACK32(ctx->h[0], &digest[ 0]);
+ UNPACK32(ctx->h[1], &digest[ 4]);
+ UNPACK32(ctx->h[2], &digest[ 8]);
+ UNPACK32(ctx->h[3], &digest[12]);
+ UNPACK32(ctx->h[4], &digest[16]);
+ UNPACK32(ctx->h[5], &digest[20]);
+ UNPACK32(ctx->h[6], &digest[24]);
+#endif /* !UNROLL_LOOPS */
+}
+
+#ifdef TEST_VECTORS
+
+/* FIPS 180-2 Validation tests */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void test(const char *vector, unsigned char *digest,
+ unsigned int digest_size)
+{
+ char output[2 * SHA512_DIGEST_SIZE + 1];
+ int i;
+
+ output[2 * digest_size] = '\0';
+
+ for (i = 0; i < (int) digest_size ; i++) {
+ sprintf(output + 2 * i, "%02x", digest[i]);
+ }
+
+ printf("H: %s\n", output);
+ if (strcmp(vector, output)) {
+ fprintf(stderr, "Test failed.\n");
+ exit(EXIT_FAILURE);
+ }
+}
+
+int main(void)
+{
+ static const char *vectors[4][3] =
+ { /* SHA-224 */
+ {
+ "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
+ "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525",
+ "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67",
+ },
+ /* SHA-256 */
+ {
+ "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
+ "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
+ "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
+ },
+ /* SHA-384 */
+ {
+ "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
+ "8086072ba1e7cc2358baeca134c825a7",
+ "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
+ "fcc7c71a557e2db966c3e9fa91746039",
+ "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"
+ "07b8b3dc38ecc4ebae97ddd87f3d8985",
+ },
+ /* SHA-512 */
+ {
+ "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
+ "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
+ "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
+ "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909",
+ "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
+ "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b"
+ }
+ };
+
+ static const char message1[] = "abc";
+ static const char message2a[] = "abcdbcdecdefdefgefghfghighijhi"
+ "jkijkljklmklmnlmnomnopnopq";
+ static const char message2b[] = "abcdefghbcdefghicdefghijdefghijkefghij"
+ "klfghijklmghijklmnhijklmnoijklmnopjklm"
+ "nopqklmnopqrlmnopqrsmnopqrstnopqrstu";
+ unsigned char *message3;
+ unsigned int message3_len = 1000000;
+ unsigned char digest[SHA512_DIGEST_SIZE];
+
+ message3 = malloc(message3_len);
+ if (message3 == NULL) {
+ fprintf(stderr, "Can't allocate memory\n");
+ return -1;
+ }
+ memset(message3, 'a', message3_len);
+
+ printf("SHA-2 FIPS 180-2 Validation tests\n\n");
+ printf("SHA-224 Test vectors\n");
+
+ sha224((const unsigned char *) message1, strlen(message1), digest);
+ test(vectors[0][0], digest, SHA224_DIGEST_SIZE);
+ sha224((const unsigned char *) message2a, strlen(message2a), digest);
+ test(vectors[0][1], digest, SHA224_DIGEST_SIZE);
+ sha224(message3, message3_len, digest);
+ test(vectors[0][2], digest, SHA224_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-256 Test vectors\n");
+
+ sha256((const unsigned char *) message1, strlen(message1), digest);
+ test(vectors[1][0], digest, SHA256_DIGEST_SIZE);
+ sha256((const unsigned char *) message2a, strlen(message2a), digest);
+ test(vectors[1][1], digest, SHA256_DIGEST_SIZE);
+ sha256(message3, message3_len, digest);
+ test(vectors[1][2], digest, SHA256_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-384 Test vectors\n");
+
+ sha384((const unsigned char *) message1, strlen(message1), digest);
+ test(vectors[2][0], digest, SHA384_DIGEST_SIZE);
+ sha384((const unsigned char *)message2b, strlen(message2b), digest);
+ test(vectors[2][1], digest, SHA384_DIGEST_SIZE);
+ sha384(message3, message3_len, digest);
+ test(vectors[2][2], digest, SHA384_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-512 Test vectors\n");
+
+ sha512((const unsigned char *) message1, strlen(message1), digest);
+ test(vectors[3][0], digest, SHA512_DIGEST_SIZE);
+ sha512((const unsigned char *) message2b, strlen(message2b), digest);
+ test(vectors[3][1], digest, SHA512_DIGEST_SIZE);
+ sha512(message3, message3_len, digest);
+ test(vectors[3][2], digest, SHA512_DIGEST_SIZE);
+ printf("\n");
+
+ printf("All tests passed.\n");
+
+ return 0;
+}
+
+#endif /* TEST_VECTORS */
+
projects / user / henk / code / inspircd.git / commitdiff