286 lines
9.4 KiB
C
286 lines
9.4 KiB
C
/*
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* Copyright (C) 2014 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "test_suite.h"
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#include <utils/test.h>
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#include <crypto/xofs/xof.h>
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#include <crypto/xofs/xof_bitspender.h>
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#include <crypto/xofs/mgf1.h>
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typedef struct {
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ext_out_function_t alg;
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size_t hash_size;
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size_t ml1, ml2, ml3, seed_len;
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chunk_t seed;
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chunk_t hashed_seed;
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chunk_t mask;
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uint32_t bits[22];
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} mgf1_test_t;
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/**
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* MGF1 Mask Generation Function Test Vectors
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*/
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mgf1_test_t mgf1_tests[] = {
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{ XOF_MGF1_SHA1, 20, 60, 20, 15, 24,
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chunk_from_chars(
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0xED, 0xA5, 0xC3, 0xBC, 0xAF, 0xB3, 0x20, 0x7D,
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0x14, 0xA1, 0x54, 0xF7, 0x8B, 0x37, 0xF2, 0x8D,
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0x8C, 0x9B, 0xD5, 0x63, 0x57, 0x38, 0x11, 0xC2,
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0xB5, 0xCA, 0xBF, 0x06, 0x43, 0x45, 0x19, 0xD5,
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0xE7, 0x36, 0xD0, 0x29, 0x21, 0xDA, 0x02, 0x20,
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0x45, 0xF6, 0x5F, 0x0F, 0x10, 0x04, 0x2A, 0xE3,
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0x6A, 0x1D, 0xD5, 0x9F, 0x1D, 0x66, 0x44, 0x8F,
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0xFA, 0xC6, 0xCA, 0xA4, 0x6E, 0x3B, 0x00, 0x66,
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0xA6, 0xC9, 0x80, 0x5C, 0xF5, 0x2D, 0xD7, 0x72,
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0xC6, 0xD4, 0x4F, 0x30, 0x72, 0xA2, 0xAD, 0xE0,
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0x33, 0xE8, 0x55, 0xD5, 0xE6, 0xD6, 0x00, 0x1D,
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0xA8, 0x68, 0xFF, 0x97, 0x36, 0x8A, 0xF4, 0xD6,
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0xF1, 0xB6, 0x7E, 0x1F, 0x06, 0xCB, 0x57, 0xCB,
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0x35, 0x38, 0xF2, 0x2D, 0xF6, 0x20),
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chunk_from_chars(
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0xF3, 0x9B, 0x0B, 0xB4, 0x97, 0x50, 0xB5, 0xA7,
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0xE6, 0xBD, 0xDA, 0xD0, 0x9A, 0x52, 0xBE, 0xA0,
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0x21, 0xC4, 0x90, 0xB6),
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chunk_from_chars(
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0x10, 0x43, 0x76, 0x72, 0x6C, 0xDE, 0xA0, 0x0E,
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0x77, 0x51, 0xFB, 0x58, 0x39, 0x8A, 0x36, 0xE1,
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0x63, 0x2B, 0xC9, 0x17, 0x56, 0x0C, 0x4B, 0x46,
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0xA4, 0x07, 0xA4, 0x3B, 0x8E, 0x33, 0x4D, 0xD1,
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0x65, 0xF1, 0xAC, 0xC8, 0x59, 0x21, 0x32, 0x16,
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0x44, 0x2B, 0x7F, 0xB2, 0xA8, 0xA7, 0x26, 0x5D,
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0xE8, 0x02, 0xBE, 0x8E, 0xDC, 0x34, 0xEB, 0x10,
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0x76, 0x16, 0x8C, 0xDD, 0x90, 0x92, 0x3D, 0x29,
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0x90, 0x98, 0x46, 0x11, 0x73, 0x53, 0x47, 0xB1,
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0x2C, 0xD4, 0x83, 0x78, 0x9B, 0x93, 0x2F, 0x5B,
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0xFC, 0x26, 0xFF, 0x42, 0x08, 0x1F, 0x70, 0x66,
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0x40, 0x4B, 0xE7, 0x22, 0x3A, 0x56, 0x10, 0x6D,
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0x4D, 0x29, 0x0B, 0xCE, 0xA6, 0x21, 0xB5, 0x5C,
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0x71, 0x66, 0x2F, 0x70, 0x35, 0xD8, 0x8A, 0x92,
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0x33, 0xF0, 0x16, 0xD4, 0x0E, 0x43, 0x8A, 0x14),
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{ 0, 0, 0, 4, 1, 1, 46, 103, 38, 411, 848, 57, 3540, 4058, 12403,
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0x63, 0x2B, 0xC9, 0x17, 0x56, 669409, 0xA407A43B },
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},
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{ XOF_MGF1_SHA256, 32, 64, 32, 33, 40,
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chunk_from_chars(
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0x52, 0xC5, 0xDD, 0x1E, 0xEF, 0x76, 0x1B, 0x53,
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0x08, 0xE4, 0x86, 0x3F, 0x91, 0x12, 0x98, 0x69,
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0xC5, 0x9D, 0xDE, 0xF6, 0xFC, 0xFA, 0x93, 0xCE,
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0x32, 0x52, 0x66, 0xF9, 0xC9, 0x97, 0xF6, 0x42,
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0x00, 0x2C, 0x64, 0xED, 0x1A, 0x6B, 0x14, 0x0A,
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0x4B, 0x04, 0xCF, 0x6D, 0x2D, 0x82, 0x0A, 0x07,
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0xA2, 0x3B, 0xDE, 0xCE, 0x19, 0x8A, 0x39, 0x43,
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0x16, 0x61, 0x29, 0x98, 0x68, 0xEA, 0xE5, 0xCC,
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0x0A, 0xF8, 0xE9, 0x71, 0x26, 0xF1, 0x07, 0x36,
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0x2C, 0x07, 0x1E, 0xEB, 0xE4, 0x28, 0xA2, 0xF4,
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0xA8, 0x12, 0xC0, 0xC8, 0x20, 0x37, 0xF8, 0xF2,
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0x6C, 0xAF, 0xDC, 0x6F, 0x2E, 0xD0, 0x62, 0x58,
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0xD2, 0x37, 0x03, 0x6D, 0xFA, 0x6E, 0x1A, 0xAC,
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0x9F, 0xCA, 0x56, 0xC6, 0xA4, 0x52, 0x41, 0xE8,
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0x0F, 0x1B, 0x0C, 0xB9, 0xE6, 0xBA, 0xDE, 0xE1,
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0x03, 0x5E, 0xC2, 0xE5, 0xF8, 0xF4, 0xF3, 0x46,
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0x3A, 0x12, 0xC0, 0x1F, 0x3A, 0x00, 0xD0, 0x91,
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0x18, 0xDD, 0x53, 0xE4, 0x22, 0xF5, 0x26, 0xA4,
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0x54, 0xEE, 0x20, 0xF0, 0x80),
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chunk_from_chars(
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0x76, 0x89, 0x8B, 0x1B, 0x60, 0xEC, 0x10, 0x9D,
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0x8F, 0x13, 0xF2, 0xFE, 0xD9, 0x85, 0xC1, 0xAB,
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0x7E, 0xEE, 0xB1, 0x31, 0xDD, 0xF7, 0x7F, 0x0C,
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0x7D, 0xF9, 0x6B, 0x7B, 0x19, 0x80, 0xBD, 0x28),
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chunk_from_chars(
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0xF1, 0x19, 0x02, 0x4F, 0xDA, 0x58, 0x05, 0x9A,
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0x07, 0xDF, 0x61, 0x81, 0x22, 0x0E, 0x15, 0x46,
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0xCB, 0x35, 0x3C, 0xDC, 0xAD, 0x20, 0xD9, 0x3F,
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0x0D, 0xD1, 0xAA, 0x64, 0x66, 0x5C, 0xFA, 0x4A,
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0xFE, 0xD6, 0x8F, 0x55, 0x57, 0x15, 0xB2, 0xA6,
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0xA0, 0xE6, 0xA8, 0xC6, 0xBD, 0x28, 0xB4, 0xD5,
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0x6E, 0x5B, 0x4B, 0xB0, 0x97, 0x09, 0xF5, 0xAC,
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0x57, 0x65, 0x13, 0x97, 0x71, 0x2C, 0x45, 0x13,
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0x3D, 0xEE, 0xFB, 0xBF, 0xFE, 0xAF, 0xBB, 0x4B,
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0x0D, 0x5C, 0x45, 0xD4, 0x2F, 0x17, 0x92, 0x07,
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0x66, 0x11, 0xF5, 0x46, 0xF8, 0x0C, 0x03, 0x92,
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0xF5, 0xF5, 0xFF, 0xA4, 0xF3, 0x52, 0xF4, 0x08,
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0x2C, 0x49, 0x32, 0x1A, 0x93, 0x51, 0x98, 0xB6,
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0x94, 0x83, 0x39, 0xCF, 0x6B, 0x1F, 0x2F, 0xFC,
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0x2B, 0xFF, 0x10, 0x71, 0x7D, 0x35, 0x6C, 0xEA,
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0xC5, 0x66, 0xC7, 0x26, 0x7D, 0x9E, 0xAC, 0xDD,
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0x35, 0xD7, 0x06, 0x3F, 0x40, 0x82, 0xDA, 0xC3,
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0x2B, 0x3C, 0x91, 0x3A, 0x32, 0xF8, 0xB2, 0xC6,
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0x44, 0x4D, 0xCD, 0xB6, 0x54, 0x5F, 0x81, 0x95,
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0x59, 0xA1, 0xE5, 0x4E, 0xA5, 0x0A, 0x4A, 0x42),
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{ 0, 1, 3, 4, 4, 12, 32, 36, 253, 331, 2, 1640, 503, 6924, 580,
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0xCB, 0x35, 0x3C, 0xDC, 0xAD, 922950, 0x0DD1AA64 }
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}
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};
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START_TEST(mgf1_test_mgf1)
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{
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xof_t *xof;
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mgf1_t *mgf1;
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chunk_t mask, mask1, mask2, mask3;
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mask1 = mgf1_tests[_i].mask;
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mask2 = chunk_skip(mask1, mgf1_tests[_i].ml1);
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mask3 = chunk_skip(mask2, mgf1_tests[_i].ml2);
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mask1.len = mgf1_tests[_i].ml1;
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mask2.len = mgf1_tests[_i].ml2;
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mask3.len = mgf1_tests[_i].ml3;
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/* unknown XOF */
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xof = lib->crypto->create_xof(lib->crypto, XOF_UNDEFINED);
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ck_assert(xof == NULL);
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/* create MGF1 XOF */
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xof = lib->crypto->create_xof(lib->crypto, mgf1_tests[_i].alg);
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ck_assert(xof);
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/* hash the seed */
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mgf1 = (mgf1_t*)xof;
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mgf1->set_hash_seed(mgf1, TRUE);
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/* check MGF1 type */
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ck_assert(xof->get_type(xof) == mgf1_tests[_i].alg);
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/* check seed size */
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ck_assert(xof->get_seed_size(xof) == mgf1_tests[_i].hash_size);
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/* check block size */
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ck_assert(xof->get_block_size(xof) == mgf1_tests[_i].hash_size);
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/* empty seed */
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ck_assert(!xof->set_seed(xof, chunk_empty));
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/* initialize MGF1 with non-empty seed */
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ck_assert(xof->set_seed(xof, mgf1_tests[_i].seed));
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/* allocate zero number of octets */
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ck_assert(xof->allocate_bytes(xof, 0, &mask));
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ck_assert(mask.len == 0 && mask.ptr == NULL);
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/* allocate non-zero number of octets */
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ck_assert(xof->allocate_bytes(xof, mgf1_tests[_i].mask.len, &mask));
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ck_assert(chunk_equals(mask, mgf1_tests[_i].mask));
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/* re-initialize MGF1 with non-empty seed */
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ck_assert(xof->set_seed(xof, mgf1_tests[_i].seed));
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/* copy mask to pre-allocated buffer */
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ck_assert(xof->get_bytes(xof, mgf1_tests[_i].mask.len, mask.ptr));
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ck_assert(chunk_equals(mask, mgf1_tests[_i].mask));
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/* do not hash the seed */
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mgf1->set_hash_seed(mgf1, FALSE);
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/* re-initialize MGF1 with non-empty seed */
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ck_assert(xof->set_seed(xof, mgf1_tests[_i].hashed_seed));
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/* first batch */
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ck_assert(xof->get_bytes(xof, mask1.len, mask.ptr));
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mask.len = mask1.len;
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ck_assert(chunk_equals(mask, mask1));
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/* second batch */
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ck_assert(xof->get_bytes(xof, mask2.len, mask.ptr));
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mask.len = mask2.len;
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ck_assert(chunk_equals(mask, mask2));
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/* third batch */
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ck_assert(xof->get_bytes(xof, mask3.len, mask.ptr));
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mask.len = mask3.len;
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ck_assert(chunk_equals(mask, mask3));
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/* clean up */
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xof->destroy(xof);
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chunk_free(&mask);
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}
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END_TEST
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START_TEST(mgf1_test_bitspender)
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{
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xof_bitspender_t *bitspender;
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uint32_t bits;
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uint8_t byte;
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int j;
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bitspender = xof_bitspender_create(XOF_UNDEFINED,
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mgf1_tests[_i].hashed_seed, FALSE);
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ck_assert(bitspender == NULL);
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bitspender = xof_bitspender_create(mgf1_tests[_i].alg,
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mgf1_tests[_i].hashed_seed, FALSE);
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ck_assert(bitspender);
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for (j = 0; j < 15; j++)
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{
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ck_assert(bitspender->get_bits(bitspender, j, &bits));
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DBG1(DBG_LIB, "bits[%d] = %u, bits = %u", j, mgf1_tests[_i].bits[j],
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bits);
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ck_assert(bits == mgf1_tests[_i].bits[j]);
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}
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ck_assert(!bitspender->get_bits(bitspender, 33, &bits));
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for (j = 15; j < 20; j++)
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{
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ck_assert(bitspender->get_byte(bitspender, &byte));
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DBG1(DBG_LIB, "bits[%d] = 0x%02x, byte = 0x%02x", j,
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mgf1_tests[_i].bits[j], byte);
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ck_assert(byte == mgf1_tests[_i].bits[j]);
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}
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j = 20; /* 23 remaining bits */
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ck_assert(bitspender->get_bits(bitspender, 23, &bits));
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DBG1(DBG_LIB, "bits[%d] = %u, bits = %u", j,
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mgf1_tests[_i].bits[j], bits);
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ck_assert(bits == mgf1_tests[_i].bits[j]);
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j = 21; /* 32 aligned bits */
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ck_assert(bitspender->get_bits(bitspender, 32, &bits));
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DBG1(DBG_LIB, "bits[%d] = 0x%08x, bits = 0x%08x", j,
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mgf1_tests[_i].bits[j], bits);
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ck_assert(bits == mgf1_tests[_i].bits[j]);
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bitspender->destroy(bitspender);
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}
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END_TEST
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Suite *mgf1_suite_create(char *name, int n)
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{
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Suite *s;
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TCase *tc;
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s = suite_create(name);
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tc = tcase_create("mgf1");
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tcase_add_loop_test(tc, mgf1_test_mgf1, n, n + 1);
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suite_add_tcase(s, tc);
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tc = tcase_create("bitspender");
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tcase_add_loop_test(tc, mgf1_test_bitspender, n, n + 1);
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suite_add_tcase(s, tc);
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return s;
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}
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Suite *mgf1_sha1_suite_create()
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{
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return mgf1_suite_create("mgf1-sha1", 0);
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}
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Suite *mgf1_sha256_suite_create()
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{
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return mgf1_suite_create("mgf1-sha256", 1);
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}
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