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-rw-r--r--lib_generic/sha256.c262
1 files changed, 0 insertions, 262 deletions
diff --git a/lib_generic/sha256.c b/lib_generic/sha256.c
deleted file mode 100644
index deb63a40b6..0000000000
--- a/lib_generic/sha256.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * FIPS-180-2 compliant SHA-256 implementation
- *
- * Copyright (C) 2001-2003 Christophe Devine
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef USE_HOSTCC
-#include <common.h>
-#endif /* USE_HOSTCC */
-#include <watchdog.h>
-#include <linux/string.h>
-#include <sha256.h>
-
-/*
- * 32-bit integer manipulation macros (big endian)
- */
-#ifndef GET_UINT32_BE
-#define GET_UINT32_BE(n,b,i) { \
- (n) = ( (unsigned long) (b)[(i) ] << 24 ) \
- | ( (unsigned long) (b)[(i) + 1] << 16 ) \
- | ( (unsigned long) (b)[(i) + 2] << 8 ) \
- | ( (unsigned long) (b)[(i) + 3] ); \
-}
-#endif
-#ifndef PUT_UINT32_BE
-#define PUT_UINT32_BE(n,b,i) { \
- (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
- (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
- (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
- (b)[(i) + 3] = (unsigned char) ( (n) ); \
-}
-#endif
-
-void sha256_starts(sha256_context * ctx)
-{
- ctx->total[0] = 0;
- ctx->total[1] = 0;
-
- ctx->state[0] = 0x6A09E667;
- ctx->state[1] = 0xBB67AE85;
- ctx->state[2] = 0x3C6EF372;
- ctx->state[3] = 0xA54FF53A;
- ctx->state[4] = 0x510E527F;
- ctx->state[5] = 0x9B05688C;
- ctx->state[6] = 0x1F83D9AB;
- ctx->state[7] = 0x5BE0CD19;
-}
-
-void sha256_process(sha256_context * ctx, uint8_t data[64])
-{
- uint32_t temp1, temp2;
- uint32_t W[64];
- uint32_t A, B, C, D, E, F, G, H;
-
- GET_UINT32_BE(W[0], data, 0);
- GET_UINT32_BE(W[1], data, 4);
- GET_UINT32_BE(W[2], data, 8);
- GET_UINT32_BE(W[3], data, 12);
- GET_UINT32_BE(W[4], data, 16);
- GET_UINT32_BE(W[5], data, 20);
- GET_UINT32_BE(W[6], data, 24);
- GET_UINT32_BE(W[7], data, 28);
- GET_UINT32_BE(W[8], data, 32);
- GET_UINT32_BE(W[9], data, 36);
- GET_UINT32_BE(W[10], data, 40);
- GET_UINT32_BE(W[11], data, 44);
- GET_UINT32_BE(W[12], data, 48);
- GET_UINT32_BE(W[13], data, 52);
- GET_UINT32_BE(W[14], data, 56);
- GET_UINT32_BE(W[15], data, 60);
-
-#define SHR(x,n) ((x & 0xFFFFFFFF) >> n)
-#define ROTR(x,n) (SHR(x,n) | (x << (32 - n)))
-
-#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 S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))
-#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))
-
-#define F0(x,y,z) ((x & y) | (z & (x | y)))
-#define F1(x,y,z) (z ^ (x & (y ^ z)))
-
-#define R(t) \
-( \
- W[t] = S1(W[t - 2]) + W[t - 7] + \
- S0(W[t - 15]) + W[t - 16] \
-)
-
-#define P(a,b,c,d,e,f,g,h,x,K) { \
- temp1 = h + S3(e) + F1(e,f,g) + K + x; \
- temp2 = S2(a) + F0(a,b,c); \
- d += temp1; h = temp1 + temp2; \
-}
-
- A = ctx->state[0];
- B = ctx->state[1];
- C = ctx->state[2];
- D = ctx->state[3];
- E = ctx->state[4];
- F = ctx->state[5];
- G = ctx->state[6];
- H = ctx->state[7];
-
- P(A, B, C, D, E, F, G, H, W[0], 0x428A2F98);
- P(H, A, B, C, D, E, F, G, W[1], 0x71374491);
- P(G, H, A, B, C, D, E, F, W[2], 0xB5C0FBCF);
- P(F, G, H, A, B, C, D, E, W[3], 0xE9B5DBA5);
- P(E, F, G, H, A, B, C, D, W[4], 0x3956C25B);
- P(D, E, F, G, H, A, B, C, W[5], 0x59F111F1);
- P(C, D, E, F, G, H, A, B, W[6], 0x923F82A4);
- P(B, C, D, E, F, G, H, A, W[7], 0xAB1C5ED5);
- P(A, B, C, D, E, F, G, H, W[8], 0xD807AA98);
- P(H, A, B, C, D, E, F, G, W[9], 0x12835B01);
- P(G, H, A, B, C, D, E, F, W[10], 0x243185BE);
- P(F, G, H, A, B, C, D, E, W[11], 0x550C7DC3);
- P(E, F, G, H, A, B, C, D, W[12], 0x72BE5D74);
- P(D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE);
- P(C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7);
- P(B, C, D, E, F, G, H, A, W[15], 0xC19BF174);
- P(A, B, C, D, E, F, G, H, R(16), 0xE49B69C1);
- P(H, A, B, C, D, E, F, G, R(17), 0xEFBE4786);
- P(G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6);
- P(F, G, H, A, B, C, D, E, R(19), 0x240CA1CC);
- P(E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F);
- P(D, E, F, G, H, A, B, C, R(21), 0x4A7484AA);
- P(C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC);
- P(B, C, D, E, F, G, H, A, R(23), 0x76F988DA);
- P(A, B, C, D, E, F, G, H, R(24), 0x983E5152);
- P(H, A, B, C, D, E, F, G, R(25), 0xA831C66D);
- P(G, H, A, B, C, D, E, F, R(26), 0xB00327C8);
- P(F, G, H, A, B, C, D, E, R(27), 0xBF597FC7);
- P(E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3);
- P(D, E, F, G, H, A, B, C, R(29), 0xD5A79147);
- P(C, D, E, F, G, H, A, B, R(30), 0x06CA6351);
- P(B, C, D, E, F, G, H, A, R(31), 0x14292967);
- P(A, B, C, D, E, F, G, H, R(32), 0x27B70A85);
- P(H, A, B, C, D, E, F, G, R(33), 0x2E1B2138);
- P(G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC);
- P(F, G, H, A, B, C, D, E, R(35), 0x53380D13);
- P(E, F, G, H, A, B, C, D, R(36), 0x650A7354);
- P(D, E, F, G, H, A, B, C, R(37), 0x766A0ABB);
- P(C, D, E, F, G, H, A, B, R(38), 0x81C2C92E);
- P(B, C, D, E, F, G, H, A, R(39), 0x92722C85);
- P(A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1);
- P(H, A, B, C, D, E, F, G, R(41), 0xA81A664B);
- P(G, H, A, B, C, D, E, F, R(42), 0xC24B8B70);
- P(F, G, H, A, B, C, D, E, R(43), 0xC76C51A3);
- P(E, F, G, H, A, B, C, D, R(44), 0xD192E819);
- P(D, E, F, G, H, A, B, C, R(45), 0xD6990624);
- P(C, D, E, F, G, H, A, B, R(46), 0xF40E3585);
- P(B, C, D, E, F, G, H, A, R(47), 0x106AA070);
- P(A, B, C, D, E, F, G, H, R(48), 0x19A4C116);
- P(H, A, B, C, D, E, F, G, R(49), 0x1E376C08);
- P(G, H, A, B, C, D, E, F, R(50), 0x2748774C);
- P(F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5);
- P(E, F, G, H, A, B, C, D, R(52), 0x391C0CB3);
- P(D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A);
- P(C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F);
- P(B, C, D, E, F, G, H, A, R(55), 0x682E6FF3);
- P(A, B, C, D, E, F, G, H, R(56), 0x748F82EE);
- P(H, A, B, C, D, E, F, G, R(57), 0x78A5636F);
- P(G, H, A, B, C, D, E, F, R(58), 0x84C87814);
- P(F, G, H, A, B, C, D, E, R(59), 0x8CC70208);
- P(E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA);
- P(D, E, F, G, H, A, B, C, R(61), 0xA4506CEB);
- P(C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7);
- P(B, C, D, E, F, G, H, A, R(63), 0xC67178F2);
-
- ctx->state[0] += A;
- ctx->state[1] += B;
- ctx->state[2] += C;
- ctx->state[3] += D;
- ctx->state[4] += E;
- ctx->state[5] += F;
- ctx->state[6] += G;
- ctx->state[7] += H;
-}
-
-void sha256_update(sha256_context * ctx, uint8_t * input, uint32_t length)
-{
- uint32_t left, fill;
-
- if (!length)
- return;
-
- left = ctx->total[0] & 0x3F;
- fill = 64 - left;
-
- ctx->total[0] += length;
- ctx->total[0] &= 0xFFFFFFFF;
-
- if (ctx->total[0] < length)
- ctx->total[1]++;
-
- if (left && length >= fill) {
- memcpy((void *) (ctx->buffer + left), (void *) input, fill);
- sha256_process(ctx, ctx->buffer);
- length -= fill;
- input += fill;
- left = 0;
- }
-
- while (length >= 64) {
- sha256_process(ctx, input);
- length -= 64;
- input += 64;
- }
-
- if (length)
- memcpy((void *) (ctx->buffer + left), (void *) input, length);
-}
-
-static uint8_t sha256_padding[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
-};
-
-void sha256_finish(sha256_context * ctx, uint8_t digest[32])
-{
- uint32_t last, padn;
- uint32_t high, low;
- uint8_t msglen[8];
-
- high = ((ctx->total[0] >> 29)
- | (ctx->total[1] << 3));
- low = (ctx->total[0] << 3);
-
- PUT_UINT32_BE(high, msglen, 0);
- PUT_UINT32_BE(low, msglen, 4);
-
- last = ctx->total[0] & 0x3F;
- padn = (last < 56) ? (56 - last) : (120 - last);
-
- sha256_update(ctx, sha256_padding, padn);
- sha256_update(ctx, msglen, 8);
-
- PUT_UINT32_BE(ctx->state[0], digest, 0);
- PUT_UINT32_BE(ctx->state[1], digest, 4);
- PUT_UINT32_BE(ctx->state[2], digest, 8);
- PUT_UINT32_BE(ctx->state[3], digest, 12);
- PUT_UINT32_BE(ctx->state[4], digest, 16);
- PUT_UINT32_BE(ctx->state[5], digest, 20);
- PUT_UINT32_BE(ctx->state[6], digest, 24);
- PUT_UINT32_BE(ctx->state[7], digest, 28);
-}
generated by cgit (git 2.34.1) at 2024-12-28 06:52:19 +0000