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-rw-r--r--src/lib/sha2.c647
1 files changed, 647 insertions, 0 deletions
diff --git a/src/lib/sha2.c b/src/lib/sha2.c
new file mode 100644
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--- /dev/null
+++ b/src/lib/sha2.c
@@ -0,0 +1,647 @@
+/*
+ * 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.
+ */
+
+#include "lib.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 SHA384_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
+#define SHA384_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
+#define SHA384_F3(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHFR(x, 7))
+#define SHA384_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x, 6))
+
+#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_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); \
+}
+
+#define UNPACK64(x, str) \
+{ \
+ *((str) + 7) = (uint8_t) ((x) ); \
+ *((str) + 6) = (uint8_t) ((x) >> 8); \
+ *((str) + 5) = (uint8_t) ((x) >> 16); \
+ *((str) + 4) = (uint8_t) ((x) >> 24); \
+ *((str) + 3) = (uint8_t) ((x) >> 32); \
+ *((str) + 2) = (uint8_t) ((x) >> 40); \
+ *((str) + 1) = (uint8_t) ((x) >> 48); \
+ *((str) + 0) = (uint8_t) ((x) >> 56); \
+}
+
+#define PACK64(str, x) \
+{ \
+ *(x) = ((uint64_t) *((str) + 7) ) \
+ | ((uint64_t) *((str) + 6) << 8) \
+ | ((uint64_t) *((str) + 5) << 16) \
+ | ((uint64_t) *((str) + 4) << 24) \
+ | ((uint64_t) *((str) + 3) << 32) \
+ | ((uint64_t) *((str) + 2) << 40) \
+ | ((uint64_t) *((str) + 1) << 48) \
+ | ((uint64_t) *((str) + 0) << 56); \
+}
+
+#define SHA256_SCR(i) \
+{ \
+ w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
+ + SHA256_F3(w[i - 15]) + w[i - 16]; \
+}
+
+#define SHA384_SCR(i) \
+{ \
+ w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \
+ + SHA512_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]; \
+}
+
+static const uint32_t sha256_h0[8] =
+ {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+
+static const uint64_t sha384_h0[8] =
+ {0xcbbb9d5dc1059ed8ULL, 0x629a292a367cd507ULL,
+ 0x9159015a3070dd17ULL, 0x152fecd8f70e5939ULL,
+ 0x67332667ffc00b31ULL, 0x8eb44a8768581511ULL,
+ 0xdb0c2e0d64f98fa7ULL, 0x47b5481dbefa4fa4ULL};
+
+static const uint64_t sha512_h0[8] =
+ {0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
+ 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
+ 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+ 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL};
+
+static const 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};
+
+static const uint64_t 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 */
+
+static void ATTR_UNSIGNED_WRAPS
+sha256_transf(struct sha256_ctx *ctx, const unsigned char *data,
+ size_t block_nb)
+{
+ uint32_t w[64];
+ uint32_t wv[8];
+ uint32_t t1, t2;
+ const unsigned char *sub_block;
+ int i,j;
+
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = data + (i << 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++) {
+ 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];
+ }
+ }
+}
+
+void sha256_init(struct sha256_ctx *ctx)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha256_h0[i];
+ }
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha256_loop(struct sha256_ctx *ctx, const void *data,
+ size_t len)
+{
+ const unsigned char *shifted_message;
+ size_t block_nb;
+ size_t new_len, rem_len, tmp_len;
+
+ tmp_len = SHA256_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], data, 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 = CONST_PTR_OFFSET(data, 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_result(struct sha256_ctx *ctx,
+ unsigned char digest[STATIC_ARRAY SHA256_RESULTLEN])
+{
+ size_t block_nb;
+ size_t pm_len;
+ size_t len_b;
+ int i;
+
+ 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);
+
+ for (i = 0 ; i < 8; i++) {
+ UNPACK32(ctx->h[i], &digest[i << 2]);
+ }
+}
+
+void sha256_get_digest(const void *data, size_t size,
+ unsigned char digest[STATIC_ARRAY SHA256_RESULTLEN])
+{
+ struct sha256_ctx ctx;
+
+ sha256_init(&ctx);
+ sha256_loop(&ctx, data, size);
+ sha256_result(&ctx, digest);
+}
+
+/* SHA-384 functions */
+
+static void ATTR_UNSIGNED_WRAPS
+sha384_transf(struct sha384_ctx *ctx, const unsigned char *data,
+ size_t block_nb)
+{
+ uint64_t w[80];
+ uint64_t wv[8];
+ uint64_t t1, t2;
+ const unsigned char *sub_block;
+ int i, j;
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = data + (i << 7);
+
+ for (j = 0; j < 16; j++) {
+ PACK64(&sub_block[j << 3], &w[j]);
+ }
+
+ for (j = 16; j < 80; j++) {
+ SHA384_SCR(j);
+ }
+
+ for (j = 0; j < 8; j++) {
+ wv[j] = ctx->h[j];
+ }
+
+ for (j = 0; j < 80; j++) {
+ /* sha384_k is same as sha512_k */
+ t1 = wv[7] + SHA384_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ + sha512_k[j] + w[j];
+ t2 = SHA384_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 sha384_init(struct sha384_ctx *ctx)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha384_h0[i];
+ }
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha384_loop(struct sha384_ctx *ctx, const void *data,
+ size_t len)
+{
+ const unsigned char *shifted_message;
+ size_t block_nb;
+ size_t new_len, rem_len, tmp_len;
+
+ tmp_len = SHA384_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], data, 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 = CONST_PTR_OFFSET(data, rem_len);
+
+ sha384_transf(ctx, ctx->block, 1);
+ sha384_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_result(struct sha384_ctx *ctx,
+ unsigned char digest[STATIC_ARRAY SHA384_RESULTLEN])
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ size_t len_b;
+ int i;
+
+ 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);
+
+ sha384_transf(ctx, ctx->block, block_nb);
+
+ for (i = 0 ; i < 6; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+}
+
+void sha384_get_digest(const void *data, size_t size,
+ unsigned char digest[STATIC_ARRAY SHA384_RESULTLEN])
+{
+ struct sha384_ctx ctx;
+
+ sha384_init(&ctx);
+ sha384_loop(&ctx, data, size);
+ sha384_result(&ctx, digest);
+}
+
+
+/* SHA-512 functions */
+
+static void ATTR_UNSIGNED_WRAPS
+sha512_transf(struct sha512_ctx *ctx, const unsigned char *data,
+ size_t block_nb)
+{
+ uint64_t w[80];
+ uint64_t wv[8];
+ uint64_t t1, t2;
+ const unsigned char *sub_block;
+ int i, j;
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = data + (i << 7);
+
+ 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];
+ }
+ }
+}
+
+void sha512_init(struct sha512_ctx *ctx)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha512_h0[i];
+ }
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha512_loop(struct sha512_ctx *ctx, const void *data,
+ size_t len)
+{
+ const unsigned char *shifted_message;
+ size_t block_nb;
+ size_t new_len, rem_len, tmp_len;
+
+ tmp_len = SHA512_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], data, 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 = CONST_PTR_OFFSET(data, 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_result(struct sha512_ctx *ctx,
+ unsigned char digest[STATIC_ARRAY SHA512_RESULTLEN])
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ size_t len_b;
+ int i;
+
+ 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);
+
+ for (i = 0 ; i < 8; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+}
+
+void sha512_get_digest(const void *data, size_t size,
+ unsigned char digest[STATIC_ARRAY SHA512_RESULTLEN])
+{
+ struct sha512_ctx ctx;
+
+ sha512_init(&ctx);
+ sha512_loop(&ctx, data, size);
+ sha512_result(&ctx, digest);
+}
+
+static void hash_method_init_sha256(void *context)
+{
+ sha256_init(context);
+}
+static void hash_method_loop_sha256(void *context, const void *data, size_t size)
+{
+ sha256_loop(context, data, size);
+}
+
+static void hash_method_result_sha256(void *context, unsigned char *result_r)
+{
+ sha256_result(context, result_r);
+}
+
+const struct hash_method hash_method_sha256 = {
+ .name = "sha256",
+ .block_size = SHA256_BLOCK_SIZE,
+ .context_size = sizeof(struct sha256_ctx),
+ .digest_size = SHA256_RESULTLEN,
+
+ .init = hash_method_init_sha256,
+ .loop = hash_method_loop_sha256,
+ .result = hash_method_result_sha256,
+};
+
+static void hash_method_init_sha384(void *context)
+{
+ sha384_init(context);
+}
+static void hash_method_loop_sha384(void *context, const void *data, size_t size)
+{
+ sha384_loop(context, data, size);
+}
+
+static void hash_method_result_sha384(void *context, unsigned char *result_r)
+{
+ sha384_result(context, result_r);
+}
+
+const struct hash_method hash_method_sha384 = {
+ .name = "sha384",
+ .block_size = SHA384_BLOCK_SIZE,
+ .context_size = sizeof(struct sha384_ctx),
+ .digest_size = SHA384_RESULTLEN,
+
+ .init = hash_method_init_sha384,
+ .loop = hash_method_loop_sha384,
+ .result = hash_method_result_sha384,
+};
+
+static void hash_method_init_sha512(void *context)
+{
+ sha512_init(context);
+}
+static void hash_method_loop_sha512(void *context, const void *data, size_t size)
+{
+ sha512_loop(context, data, size);
+}
+
+static void hash_method_result_sha512(void *context, unsigned char *result_r)
+{
+ sha512_result(context, result_r);
+}
+
+const struct hash_method hash_method_sha512 = {
+ .name = "sha512",
+ .block_size = SHA512_BLOCK_SIZE,
+ .context_size = sizeof(struct sha512_ctx),
+ .digest_size = SHA512_RESULTLEN,
+
+ .init = hash_method_init_sha512,
+ .loop = hash_method_loop_sha512,
+ .result = hash_method_result_sha512,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 13:20:32 +0000