/* Copyright © 2007 Carl Worth * Copyright © 2009 Jeremy Huddleston, Julien Cristau, and Matthieu Herrb * Copyright © 2009-2010 Mikhail Gusarov * Copyright © 2012 Yaakov Selkowitz and Keith Packard * Copyright © 2014 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "sha1/sha1.h" #include "mesa-sha1.h" #include "hex.h" #include #include void _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20]) { struct mesa_sha1 ctx; _mesa_sha1_init(&ctx); _mesa_sha1_update(&ctx, data, size); _mesa_sha1_final(&ctx, result); } void _mesa_sha1_format(char *buf, const unsigned char *sha1) { mesa_bytes_to_hex(buf, sha1, SHA1_DIGEST_LENGTH); } /* Convert a hashs string hexidecimal representation into its more compact * form. */ void _mesa_sha1_hex_to_sha1(unsigned char *buf, const char *hex) { mesa_hex_to_bytes(buf, hex, SHA1_DIGEST_LENGTH); } static void sha1_to_uint32(const uint8_t sha1[SHA1_DIGEST_LENGTH], uint32_t out[SHA1_DIGEST_LENGTH32]) { memset(out, 0, SHA1_DIGEST_LENGTH); for (unsigned i = 0; i < SHA1_DIGEST_LENGTH; i++) out[i / 4] |= (uint32_t)sha1[i] << ((i % 4) * 8); } void _mesa_sha1_print(FILE *f, const uint8_t sha1[SHA1_DIGEST_LENGTH]) { uint32_t u32[SHA1_DIGEST_LENGTH]; sha1_to_uint32(sha1, u32); for (unsigned i = 0; i < SHA1_DIGEST_LENGTH32; i++) { fprintf(f, i ? ", 0x%08" PRIx32 : "0x%08" PRIx32, u32[i]); } } bool _mesa_printed_sha1_equal(const uint8_t sha1[SHA1_DIGEST_LENGTH], const uint32_t printed_sha1[SHA1_DIGEST_LENGTH32]) { uint32_t u32[SHA1_DIGEST_LENGTH32]; sha1_to_uint32(sha1, u32); return memcmp(u32, printed_sha1, sizeof(u32)) == 0; }