From 682b2273e851b478736255f500e019b0164751f8 Mon Sep 17 00:00:00 2001 From: James Almer Date: Thu, 30 May 2013 04:56:29 -0300 Subject: [PATCH] lavu: Add SHA-2 512 hashing Signed-off-by: James Almer Signed-off-by: Michael Niedermayer --- libavutil/Makefile | 3 + libavutil/sha512.c | 340 +++++++++++++++++++++++++++++++++++++++ libavutil/sha512.h | 75 +++++++++ tests/fate/libavutil.mak | 4 + tests/ref/fate/sha512 | 28 ++++ 5 files changed, 450 insertions(+) create mode 100644 libavutil/sha512.c create mode 100644 libavutil/sha512.h create mode 100644 tests/ref/fate/sha512 diff --git a/libavutil/Makefile b/libavutil/Makefile index 5dc61e1d2b..f1ff9c6c6d 100644 --- a/libavutil/Makefile +++ b/libavutil/Makefile @@ -45,6 +45,7 @@ HEADERS = adler32.h \ rational.h \ samplefmt.h \ sha.h \ + sha512.h \ time.h \ timecode.h \ timestamp.h \ @@ -103,6 +104,7 @@ OBJS = adler32.o \ rc4.o \ samplefmt.o \ sha.o \ + sha512.o \ time.o \ timecode.o \ tree.o \ @@ -147,6 +149,7 @@ TESTPROGS = adler32 \ random_seed \ rational \ sha \ + sha512 \ tree \ xtea \ diff --git a/libavutil/sha512.c b/libavutil/sha512.c new file mode 100644 index 0000000000..7ed4ea5478 --- /dev/null +++ b/libavutil/sha512.c @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2007 Michael Niedermayer + * Copyright (C) 2009 Konstantin Shishkov + * Copyright (C) 2013 James Almer + * based on BSD-licensed SHA-2 code by Aaron D. Gifford + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "attributes.h" +#include "avutil.h" +#include "bswap.h" +#include "sha512.h" +#include "intreadwrite.h" +#include "mem.h" + +/** hash context */ +typedef struct AVSHA512 { + uint8_t digest_len; ///< digest length in 64-bit words + uint64_t count; ///< number of bytes in buffer + uint8_t buffer[128]; ///< 1024-bit buffer of input values used in hash updating + uint64_t state[8]; ///< current hash value +} AVSHA512; + +const int av_sha512_size = sizeof(AVSHA512); + +struct AVSHA512 *av_sha512_alloc(void) +{ + return av_mallocz(sizeof(struct AVSHA512)); +} + +static const uint64_t K512[80] = { + UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd), + UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc), + UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019), + UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118), + UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe), + UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2), + UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1), + UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694), + UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3), + UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65), + UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483), + UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5), + UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210), + UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4), + UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725), + UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70), + UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926), + UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df), + UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8), + UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b), + UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001), + UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30), + UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910), + UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8), + UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53), + UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8), + UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb), + UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3), + UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60), + UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec), + UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9), + UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b), + UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207), + UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178), + UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6), + UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b), + UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493), + UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c), + UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a), + UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817), +}; + +#define ror(value, bits) (((value) >> (bits)) | ((value) << (64 - (bits)))) + +#define Ch(x,y,z) (((x) & ((y) ^ (z))) ^ (z)) +#define Maj(x,y,z) ((((x) | (y)) & (z)) | ((x) & (y))) + +#define Sigma0_512(x) (ror((x), 28) ^ ror((x), 34) ^ ror((x), 39)) +#define Sigma1_512(x) (ror((x), 14) ^ ror((x), 18) ^ ror((x), 41)) +#define sigma0_512(x) (ror((x), 1) ^ ror((x), 8) ^ ((x) >> 7)) +#define sigma1_512(x) (ror((x), 19) ^ ror((x), 61) ^ ((x) >> 6)) + +#define blk0(i) (block[i] = AV_RB64(buffer + 8 * (i))) +#define blk(i) (block[i] = block[i - 16] + sigma0_512(block[i - 15]) + \ + sigma1_512(block[i - 2]) + block[i - 7]) + +#define ROUND512(a,b,c,d,e,f,g,h) \ + T1 += (h) + Sigma1_512(e) + Ch((e), (f), (g)) + K512[i]; \ + (d) += T1; \ + (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \ + i++ + +#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \ + T1 = blk0(i); \ + ROUND512(a,b,c,d,e,f,g,h) + +#define ROUND512_16_TO_80(a,b,c,d,e,f,g,h) \ + T1 = blk(i); \ + ROUND512(a,b,c,d,e,f,g,h) + +static void sha512_transform(uint64_t *state, const uint8_t buffer[128]) +{ + uint64_t a, b, c, d, e, f, g, h; + uint64_t block[80]; + uint64_t T1; + int i; + + a = state[0]; + b = state[1]; + c = state[2]; + d = state[3]; + e = state[4]; + f = state[5]; + g = state[6]; + h = state[7]; +#if CONFIG_SMALL + for (i = 0; i < 80; i++) { + uint64_t T2; + if (i < 16) + T1 = blk0(i); + else + T1 = blk(i); + T1 += h + Sigma1_512(e) + Ch(e, f, g) + K512[i]; + T2 = Sigma0_512(a) + Maj(a, b, c); + h = g; + g = f; + f = e; + e = d + T1; + d = c; + c = b; + b = a; + a = T1 + T2; + } +#else + for (i = 0; i < 16 - 7;) { + ROUND512_0_TO_15(a, b, c, d, e, f, g, h); + ROUND512_0_TO_15(h, a, b, c, d, e, f, g); + ROUND512_0_TO_15(g, h, a, b, c, d, e, f); + ROUND512_0_TO_15(f, g, h, a, b, c, d, e); + ROUND512_0_TO_15(e, f, g, h, a, b, c, d); + ROUND512_0_TO_15(d, e, f, g, h, a, b, c); + ROUND512_0_TO_15(c, d, e, f, g, h, a, b); + ROUND512_0_TO_15(b, c, d, e, f, g, h, a); + } + + for (; i < 80 - 7;) { + ROUND512_16_TO_80(a, b, c, d, e, f, g, h); + ROUND512_16_TO_80(h, a, b, c, d, e, f, g); + ROUND512_16_TO_80(g, h, a, b, c, d, e, f); + ROUND512_16_TO_80(f, g, h, a, b, c, d, e); + ROUND512_16_TO_80(e, f, g, h, a, b, c, d); + ROUND512_16_TO_80(d, e, f, g, h, a, b, c); + ROUND512_16_TO_80(c, d, e, f, g, h, a, b); + ROUND512_16_TO_80(b, c, d, e, f, g, h, a); + } +#endif + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; + state[5] += f; + state[6] += g; + state[7] += h; +} + + +av_cold int av_sha512_init(AVSHA512 *ctx, int bits) +{ + ctx->digest_len = bits >> 6; + switch (bits) { + case 224: // SHA-512/224 + ctx->state[0] = UINT64_C(0x8C3D37C819544DA2); + ctx->state[1] = UINT64_C(0x73E1996689DCD4D6); + ctx->state[2] = UINT64_C(0x1DFAB7AE32FF9C82); + ctx->state[3] = UINT64_C(0x679DD514582F9FCF); + ctx->state[4] = UINT64_C(0x0F6D2B697BD44DA8); + ctx->state[5] = UINT64_C(0x77E36F7304C48942); + ctx->state[6] = UINT64_C(0x3F9D85A86A1D36C8); + ctx->state[7] = UINT64_C(0x1112E6AD91D692A1); + break; + case 256: // SHA-512/256 + ctx->state[0] = UINT64_C(0x22312194FC2BF72C); + ctx->state[1] = UINT64_C(0x9F555FA3C84C64C2); + ctx->state[2] = UINT64_C(0x2393B86B6F53B151); + ctx->state[3] = UINT64_C(0x963877195940EABD); + ctx->state[4] = UINT64_C(0x96283EE2A88EFFE3); + ctx->state[5] = UINT64_C(0xBE5E1E2553863992); + ctx->state[6] = UINT64_C(0x2B0199FC2C85B8AA); + ctx->state[7] = UINT64_C(0x0EB72DDC81C52CA2); + break; + case 384: // SHA-384 + ctx->state[0] = UINT64_C(0xCBBB9D5DC1059ED8); + ctx->state[1] = UINT64_C(0x629A292A367CD507); + ctx->state[2] = UINT64_C(0x9159015A3070DD17); + ctx->state[3] = UINT64_C(0x152FECD8F70E5939); + ctx->state[4] = UINT64_C(0x67332667FFC00B31); + ctx->state[5] = UINT64_C(0x8EB44A8768581511); + ctx->state[6] = UINT64_C(0xDB0C2E0D64F98FA7); + ctx->state[7] = UINT64_C(0x47B5481DBEFA4FA4); + break; + case 512: // SHA-512 + ctx->state[0] = UINT64_C(0x6A09E667F3BCC908); + ctx->state[1] = UINT64_C(0xBB67AE8584CAA73B); + ctx->state[2] = UINT64_C(0x3C6EF372FE94F82B); + ctx->state[3] = UINT64_C(0xA54FF53A5F1D36F1); + ctx->state[4] = UINT64_C(0x510E527FADE682D1); + ctx->state[5] = UINT64_C(0x9B05688C2B3E6C1F); + ctx->state[6] = UINT64_C(0x1F83D9ABFB41BD6B); + ctx->state[7] = UINT64_C(0x5BE0CD19137E2179); + break; + default: + return -1; + } + ctx->count = 0; + return 0; +} + +void av_sha512_update(AVSHA512* ctx, const uint8_t* data, unsigned int len) +{ + unsigned int i, j; + + j = ctx->count & 127; + ctx->count += len; +#if CONFIG_SMALL + for (i = 0; i < len; i++) { + ctx->buffer[j++] = data[i]; + if (128 == j) { + sha512_transform(ctx->state, ctx->buffer); + j = 0; + } + } +#else + if ((j + len) > 127) { + memcpy(&ctx->buffer[j], data, (i = 128 - j)); + sha512_transform(ctx->state, ctx->buffer); + for (; i + 127 < len; i += 128) + sha512_transform(ctx->state, &data[i]); + j = 0; + } else + i = 0; + memcpy(&ctx->buffer[j], &data[i], len - i); +#endif +} + +void av_sha512_final(AVSHA512* ctx, uint8_t *digest) +{ + uint64_t i = 0; + uint64_t finalcount = av_be2ne64(ctx->count << 3); + + av_sha512_update(ctx, "\200", 1); + while ((ctx->count & 127) != 112) + av_sha512_update(ctx, "", 1); + av_sha512_update(ctx, (uint8_t *)&i, 8); + av_sha512_update(ctx, (uint8_t *)&finalcount, 8); /* Should cause a transform() */ + for (i = 0; i < ctx->digest_len; i++) + AV_WB64(digest + i*8, ctx->state[i]); + if (ctx->digest_len & 1) /* SHA512/224 is 28 bytes, and is not divisible by 8. */ + AV_WB32(digest + i*8, ctx->state[i] >> 32); +} + +#ifdef TEST +#include + +int main(void) +{ + int i, j, k; + AVSHA512 ctx; + unsigned char digest[64]; + const int lengths[4] = { 224, 256, 384, 512 }; + + for (j = 0; j < 4; j++) { + if (j < 2) printf("Testing SHA-512/%d\n", lengths[j]); + else printf("Testing SHA-%d\n", lengths[j]); + for (k = 0; k < 3; k++) { + av_sha512_init(&ctx, lengths[j]); + if (k == 0) + av_sha512_update(&ctx, "abc", 3); + else if (k == 1) + av_sha512_update(&ctx, "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" + "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112); + else + for (i = 0; i < 1000*1000; i++) + av_sha512_update(&ctx, "a", 1); + av_sha512_final(&ctx, digest); + for (i = 0; i < lengths[j] >> 3; i++) + printf("%02X", digest[i]); + putchar('\n'); + } + switch (j) { //test vectors (from FIPS PUB 180-4 Apendix A) + case 0: + printf("4634270f 707b6a54 daae7530 460842e2 0e37ed26 5ceee9a4 3e8924aa\n" + "23fec5bb 94d60b23 30819264 0b0c4533 35d66473 4fe40e72 68674af9\n" + "37ab331d 76f0d36d e422bd0e deb22a28 accd487b 7a8453ae 965dd287\n"); + break; + case 1: + printf("53048e26 81941ef9 9b2e29b7 6b4c7dab e4c2d0c6 34fc6d46 e0e2f131 07e7af23\n" + "3928e184 fb8690f8 40da3988 121d31be 65cb9d3e f83ee614 6feac861 e19b563a\n" + "9a59a052 930187a9 7038cae6 92f30708 aa649192 3ef51943 94dc68d5 6c74fb21\n"); + break; + case 2: + printf("cb00753f 45a35e8b b5a03d69 9ac65007 272c32ab 0eded163 " + "1a8b605a 43ff5bed 8086072b a1e7cc23 58baeca1 34c825a7\n" + "09330c33 f71147e8 3d192fc7 82cd1b47 53111b17 3b3b05d2 " + "2fa08086 e3b0f712 fcc7c71a 557e2db9 66c3e9fa 91746039\n" + "9d0e1809 716474cb 086e834e 310a4a1c ed149e9c 00f24852 " + "7972cec5 704c2a5b 07b8b3dc 38ecc4eb ae97ddd8 7f3d8985\n"); + break; + case 3: + printf("ddaf35a1 93617aba cc417349 ae204131 12e6fa4e 89a97ea2 0a9eeee6 4b55d39a " + "2192992a 274fc1a8 36ba3c23 a3feebbd 454d4423 643ce80e 2a9ac94f a54ca49f\n" + "8e959b75 dae313da 8cf4f728 14fc143f 8f7779c6 eb9f7fa1 7299aead b6889018 " + "501d289e 4900f7e4 331b99de c4b5433a c7d329ee b6dd2654 5e96e55b 874be909\n" + "e718483d 0ce76964 4e2e42c7 bc15b463 8e1f98b1 3b204428 5632a803 afa973eb " + "de0ff244 877ea60a 4cb0432c e577c31b eb009c5c 2c49aa2e 4eadb217 ad8cc09b\n"); + break; + } + } + + return 0; +} +#endif diff --git a/libavutil/sha512.h b/libavutil/sha512.h new file mode 100644 index 0000000000..7b08701477 --- /dev/null +++ b/libavutil/sha512.h @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2007 Michael Niedermayer + * Copyright (C) 2013 James Almer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_SHA512_H +#define AVUTIL_SHA512_H + +#include + +#include "attributes.h" +#include "version.h" + +/** + * @defgroup lavu_sha512 SHA512 + * @ingroup lavu_crypto + * @{ + */ + +extern const int av_sha512_size; + +struct AVSHA512; + +/** + * Allocate an AVSHA512 context. + */ +struct AVSHA512 *av_sha512_alloc(void); + +/** + * Initialize SHA-2 512 hashing. + * + * @param context pointer to the function context (of size av_sha512_size) + * @param bits number of bits in digest (224, 256, 384 or 512 bits) + * @return zero if initialization succeeded, -1 otherwise + */ +int av_sha512_init(struct AVSHA512* context, int bits); + +/** + * Update hash value. + * + * @param context hash function context + * @param data input data to update hash with + * @param len input data length + */ +void av_sha512_update(struct AVSHA512* context, const uint8_t* data, unsigned int len); + +/** + * Finish hashing and output digest value. + * + * @param context hash function context + * @param digest buffer where output digest value is stored + */ +void av_sha512_final(struct AVSHA512* context, uint8_t *digest); + +/** + * @} + */ + +#endif /* AVUTIL_SHA512_H */ diff --git a/tests/fate/libavutil.mak b/tests/fate/libavutil.mak index d086a66772..1bc1968d85 100644 --- a/tests/fate/libavutil.mak +++ b/tests/fate/libavutil.mak @@ -70,6 +70,10 @@ FATE_LIBAVUTIL += fate-sha fate-sha: libavutil/sha-test$(EXESUF) fate-sha: CMD = run libavutil/sha-test +FATE_LIBAVUTIL += fate-sha512 +fate-sha512: libavutil/sha512-test$(EXESUF) +fate-sha512: CMD = run libavutil/sha512-test + FATE_LIBAVUTIL += fate-xtea fate-xtea: libavutil/xtea-test$(EXESUF) fate-xtea: CMD = run libavutil/xtea-test diff --git a/tests/ref/fate/sha512 b/tests/ref/fate/sha512 new file mode 100644 index 0000000000..6009115350 --- /dev/null +++ b/tests/ref/fate/sha512 @@ -0,0 +1,28 @@ +Testing SHA-512/224 +4634270F707B6A54DAAE7530460842E20E37ED265CEEE9A43E8924AA +23FEC5BB94D60B23308192640B0C453335D664734FE40E7268674AF9 +37AB331D76F0D36DE422BD0EDEB22A28ACCD487B7A8453AE965DD287 +4634270f 707b6a54 daae7530 460842e2 0e37ed26 5ceee9a4 3e8924aa +23fec5bb 94d60b23 30819264 0b0c4533 35d66473 4fe40e72 68674af9 +37ab331d 76f0d36d e422bd0e deb22a28 accd487b 7a8453ae 965dd287 +Testing SHA-512/256 +53048E2681941EF99B2E29B76B4C7DABE4C2D0C634FC6D46E0E2F13107E7AF23 +3928E184FB8690F840DA3988121D31BE65CB9D3EF83EE6146FEAC861E19B563A +9A59A052930187A97038CAE692F30708AA6491923EF5194394DC68D56C74FB21 +53048e26 81941ef9 9b2e29b7 6b4c7dab e4c2d0c6 34fc6d46 e0e2f131 07e7af23 +3928e184 fb8690f8 40da3988 121d31be 65cb9d3e f83ee614 6feac861 e19b563a +9a59a052 930187a9 7038cae6 92f30708 aa649192 3ef51943 94dc68d5 6c74fb21 +Testing SHA-384 +CB00753F45A35E8BB5A03D699AC65007272C32AB0EDED1631A8B605A43FF5BED8086072BA1E7CC2358BAECA134C825A7 +09330C33F71147E83D192FC782CD1B4753111B173B3B05D22FA08086E3B0F712FCC7C71A557E2DB966C3E9FA91746039 +9D0E1809716474CB086E834E310A4A1CED149E9C00F248527972CEC5704C2A5B07B8B3DC38ECC4EBAE97DDD87F3D8985 +cb00753f 45a35e8b b5a03d69 9ac65007 272c32ab 0eded163 1a8b605a 43ff5bed 8086072b a1e7cc23 58baeca1 34c825a7 +09330c33 f71147e8 3d192fc7 82cd1b47 53111b17 3b3b05d2 2fa08086 e3b0f712 fcc7c71a 557e2db9 66c3e9fa 91746039 +9d0e1809 716474cb 086e834e 310a4a1c ed149e9c 00f24852 7972cec5 704c2a5b 07b8b3dc 38ecc4eb ae97ddd8 7f3d8985 +Testing SHA-512 +DDAF35A193617ABACC417349AE20413112E6FA4E89A97EA20A9EEEE64B55D39A2192992A274FC1A836BA3C23A3FEEBBD454D4423643CE80E2A9AC94FA54CA49F +8E959B75DAE313DA8CF4F72814FC143F8F7779C6EB9F7FA17299AEADB6889018501D289E4900F7E4331B99DEC4B5433AC7D329EEB6DD26545E96E55B874BE909 +E718483D0CE769644E2E42C7BC15B4638E1F98B13B2044285632A803AFA973EBDE0FF244877EA60A4CB0432CE577C31BEB009C5C2C49AA2E4EADB217AD8CC09B +ddaf35a1 93617aba cc417349 ae204131 12e6fa4e 89a97ea2 0a9eeee6 4b55d39a 2192992a 274fc1a8 36ba3c23 a3feebbd 454d4423 643ce80e 2a9ac94f a54ca49f +8e959b75 dae313da 8cf4f728 14fc143f 8f7779c6 eb9f7fa1 7299aead b6889018 501d289e 4900f7e4 331b99de c4b5433a c7d329ee b6dd2654 5e96e55b 874be909 +e718483d 0ce76964 4e2e42c7 bc15b463 8e1f98b1 3b204428 5632a803 afa973eb de0ff244 877ea60a 4cb0432c e577c31b eb009c5c 2c49aa2e 4eadb217 ad8cc09b