tests/tcg: add sha512 test
This imports the sha512 algorithm and related tests from ccan which offers a cleaner hash implementation with its own validation tests with which we can exercise TCG code generations. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220225172021.3493923-13-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée
parent
c96e593a7e
commit
d426f4fc6f
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tests/tcg/multiarch/sha512.c
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tests/tcg/multiarch/sha512.c
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/*
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* sha512 test based on CCAN: https://ccodearchive.net/info/crypto/sha512.html
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*
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* src/crypto/sha512.cpp commit f914f1a746d7f91951c1da262a4a749dd3ebfa71
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* Copyright (c) 2014 The Bitcoin Core developers
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* Distributed under the MIT software license, see:
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* http://www.opensource.org/licenses/mit-license.php.
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*
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* SPDX-License-Identifier: MIT CC0-1.0
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*/
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#define _GNU_SOURCE /* See feature_test_macros(7) */
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdarg.h>
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/* Required portions from endian.h */
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/**
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* BSWAP_64 - reverse bytes in a constant uint64_t value.
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* @val: constantvalue whose bytes to swap.
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*
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* Designed to be usable in constant-requiring initializers.
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*
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* Example:
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* struct mystruct {
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* char buf[BSWAP_64(0xff00000000000000ULL)];
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* };
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*/
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#define BSWAP_64(val) \
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((((uint64_t)(val) & 0x00000000000000ffULL) << 56) \
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| (((uint64_t)(val) & 0x000000000000ff00ULL) << 40) \
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| (((uint64_t)(val) & 0x0000000000ff0000ULL) << 24) \
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| (((uint64_t)(val) & 0x00000000ff000000ULL) << 8) \
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| (((uint64_t)(val) & 0x000000ff00000000ULL) >> 8) \
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| (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24) \
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| (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40) \
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| (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
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typedef uint64_t beint64_t;
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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/**
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* CPU_TO_BE64 - convert a constant uint64_t value to big-endian
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* @native: constant to convert
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*/
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#define CPU_TO_BE64(native) ((beint64_t)(native))
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/**
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* BE64_TO_CPU - convert a big-endian uint64_t constant
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* @le_val: big-endian constant to convert
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*/
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#define BE64_TO_CPU(le_val) ((uint64_t)(le_val))
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#else /* ... HAVE_LITTLE_ENDIAN */
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#define CPU_TO_BE64(native) ((beint64_t)BSWAP_64(native))
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#define BE64_TO_CPU(le_val) BSWAP_64((uint64_t)le_val)
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#endif /* HAVE_LITTE_ENDIAN */
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/**
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* cpu_to_be64 - convert a uint64_t value to big endian.
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* @native: value to convert
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*/
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static inline beint64_t cpu_to_be64(uint64_t native)
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{
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return CPU_TO_BE64(native);
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}
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/**
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* be64_to_cpu - convert a big-endian uint64_t value
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* @be_val: big-endian value to convert
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*/
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static inline uint64_t be64_to_cpu(beint64_t be_val)
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{
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return BE64_TO_CPU(be_val);
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}
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/* From compiler.h */
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#ifndef UNUSED
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/**
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* UNUSED - a parameter is unused
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*
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* Some compilers (eg. gcc with -W or -Wunused) warn about unused
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* function parameters. This suppresses such warnings and indicates
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* to the reader that it's deliberate.
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*
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* Example:
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* // This is used as a callback, so needs to have this prototype.
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* static int some_callback(void *unused UNUSED)
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* {
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* return 0;
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* }
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*/
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#define UNUSED __attribute__((__unused__))
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#endif
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/* From sha512.h */
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/**
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* struct sha512 - structure representing a completed SHA512.
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* @u.u8: an unsigned char array.
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* @u.u64: a 64-bit integer array.
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*
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* Other fields may be added to the union in future.
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*/
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struct sha512 {
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union {
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uint64_t u64[8];
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unsigned char u8[64];
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} u;
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};
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/**
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* sha512 - return sha512 of an object.
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* @sha512: the sha512 to fill in
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* @p: pointer to memory,
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* @size: the number of bytes pointed to by @p
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*
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* The bytes pointed to by @p is SHA512 hashed into @sha512. This is
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* equivalent to sha512_init(), sha512_update() then sha512_done().
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*/
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void sha512(struct sha512 *sha, const void *p, size_t size);
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/**
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* struct sha512_ctx - structure to store running context for sha512
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*/
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struct sha512_ctx {
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uint64_t s[8];
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union {
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uint64_t u64[16];
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unsigned char u8[128];
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} buf;
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size_t bytes;
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};
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/**
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* sha512_init - initialize an SHA512 context.
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* @ctx: the sha512_ctx to initialize
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*
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* This must be called before sha512_update or sha512_done, or
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* alternately you can assign SHA512_INIT.
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*
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* If it was already initialized, this forgets anything which was
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* hashed before.
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*
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* Example:
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* static void hash_all(const char **arr, struct sha512 *hash)
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* {
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* size_t i;
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* struct sha512_ctx ctx;
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*
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* sha512_init(&ctx);
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* for (i = 0; arr[i]; i++)
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* sha512_update(&ctx, arr[i], strlen(arr[i]));
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* sha512_done(&ctx, hash);
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* }
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*/
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void sha512_init(struct sha512_ctx *ctx);
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/**
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* SHA512_INIT - initializer for an SHA512 context.
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*
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* This can be used to statically initialize an SHA512 context (instead
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* of sha512_init()).
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*
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* Example:
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* static void hash_all(const char **arr, struct sha512 *hash)
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* {
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* size_t i;
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* struct sha512_ctx ctx = SHA512_INIT;
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*
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* for (i = 0; arr[i]; i++)
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* sha512_update(&ctx, arr[i], strlen(arr[i]));
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* sha512_done(&ctx, hash);
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* }
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*/
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#define SHA512_INIT \
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{ { 0x6a09e667f3bcc908ull, 0xbb67ae8584caa73bull, \
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0x3c6ef372fe94f82bull, 0xa54ff53a5f1d36f1ull, \
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0x510e527fade682d1ull, 0x9b05688c2b3e6c1full, \
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0x1f83d9abfb41bd6bull, 0x5be0cd19137e2179ull }, \
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{ { 0 } }, 0 }
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/**
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* sha512_update - include some memory in the hash.
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* @ctx: the sha512_ctx to use
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* @p: pointer to memory,
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* @size: the number of bytes pointed to by @p
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*
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* You can call this multiple times to hash more data, before calling
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* sha512_done().
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*/
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void sha512_update(struct sha512_ctx *ctx, const void *p, size_t size);
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/**
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* sha512_done - finish SHA512 and return the hash
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* @ctx: the sha512_ctx to complete
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* @res: the hash to return.
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*
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* Note that @ctx is *destroyed* by this, and must be reinitialized.
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* To avoid that, pass a copy instead.
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*/
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void sha512_done(struct sha512_ctx *sha512, struct sha512 *res);
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/* From sha512.c */
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/*
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* SHA512 core code translated from the Bitcoin project's C++:
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*
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* src/crypto/sha512.cpp commit f914f1a746d7f91951c1da262a4a749dd3ebfa71
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* Copyright (c) 2014 The Bitcoin Core developers
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* Distributed under the MIT software license, see the accompanying
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* file COPYING or http://www.opensource.org/licenses/mit-license.php.
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*/
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/* #include <ccan/endian/endian.h> */
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/* #include <ccan/compiler/compiler.h> */
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#include <stdbool.h>
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#include <assert.h>
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#include <string.h>
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static void invalidate_sha512(struct sha512_ctx *ctx)
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{
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ctx->bytes = (size_t)-1;
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}
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static void check_sha512(struct sha512_ctx *ctx UNUSED)
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{
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assert(ctx->bytes != (size_t)-1);
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}
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static uint64_t Ch(uint64_t x, uint64_t y, uint64_t z)
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{
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return z ^ (x & (y ^ z));
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}
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static uint64_t Maj(uint64_t x, uint64_t y, uint64_t z)
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{
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return (x & y) | (z & (x | y));
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}
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static uint64_t Sigma0(uint64_t x)
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{
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return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25);
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}
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static uint64_t Sigma1(uint64_t x)
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{
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return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23);
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}
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static uint64_t sigma0(uint64_t x)
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{
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return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7);
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}
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static uint64_t sigma1(uint64_t x)
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{
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return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6);
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}
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/** One round of SHA-512. */
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static void Round(uint64_t a, uint64_t b, uint64_t c, uint64_t *d, uint64_t e, uint64_t f, uint64_t g, uint64_t *h, uint64_t k, uint64_t w)
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{
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uint64_t t1 = *h + Sigma1(e) + Ch(e, f, g) + k + w;
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uint64_t t2 = Sigma0(a) + Maj(a, b, c);
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*d += t1;
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*h = t1 + t2;
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}
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/** Perform one SHA-512 transformation, processing a 128-byte chunk. */
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static void Transform(uint64_t *s, const uint64_t *chunk)
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{
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uint64_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7];
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uint64_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
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Round(a, b, c, &d, e, f, g, &h, 0x428a2f98d728ae22ull, w0 = be64_to_cpu(chunk[0]));
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Round(h, a, b, &c, d, e, f, &g, 0x7137449123ef65cdull, w1 = be64_to_cpu(chunk[1]));
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Round(g, h, a, &b, c, d, e, &f, 0xb5c0fbcfec4d3b2full, w2 = be64_to_cpu(chunk[2]));
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Round(f, g, h, &a, b, c, d, &e, 0xe9b5dba58189dbbcull, w3 = be64_to_cpu(chunk[3]));
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Round(e, f, g, &h, a, b, c, &d, 0x3956c25bf348b538ull, w4 = be64_to_cpu(chunk[4]));
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Round(d, e, f, &g, h, a, b, &c, 0x59f111f1b605d019ull, w5 = be64_to_cpu(chunk[5]));
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Round(c, d, e, &f, g, h, a, &b, 0x923f82a4af194f9bull, w6 = be64_to_cpu(chunk[6]));
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Round(b, c, d, &e, f, g, h, &a, 0xab1c5ed5da6d8118ull, w7 = be64_to_cpu(chunk[7]));
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Round(a, b, c, &d, e, f, g, &h, 0xd807aa98a3030242ull, w8 = be64_to_cpu(chunk[8]));
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Round(h, a, b, &c, d, e, f, &g, 0x12835b0145706fbeull, w9 = be64_to_cpu(chunk[9]));
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Round(g, h, a, &b, c, d, e, &f, 0x243185be4ee4b28cull, w10 = be64_to_cpu(chunk[10]));
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Round(f, g, h, &a, b, c, d, &e, 0x550c7dc3d5ffb4e2ull, w11 = be64_to_cpu(chunk[11]));
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Round(e, f, g, &h, a, b, c, &d, 0x72be5d74f27b896full, w12 = be64_to_cpu(chunk[12]));
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Round(d, e, f, &g, h, a, b, &c, 0x80deb1fe3b1696b1ull, w13 = be64_to_cpu(chunk[13]));
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Round(c, d, e, &f, g, h, a, &b, 0x9bdc06a725c71235ull, w14 = be64_to_cpu(chunk[14]));
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Round(b, c, d, &e, f, g, h, &a, 0xc19bf174cf692694ull, w15 = be64_to_cpu(chunk[15]));
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Round(a, b, c, &d, e, f, g, &h, 0xe49b69c19ef14ad2ull, w0 += sigma1(w14) + w9 + sigma0(w1));
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Round(h, a, b, &c, d, e, f, &g, 0xefbe4786384f25e3ull, w1 += sigma1(w15) + w10 + sigma0(w2));
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Round(g, h, a, &b, c, d, e, &f, 0x0fc19dc68b8cd5b5ull, w2 += sigma1(w0) + w11 + sigma0(w3));
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Round(f, g, h, &a, b, c, d, &e, 0x240ca1cc77ac9c65ull, w3 += sigma1(w1) + w12 + sigma0(w4));
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Round(e, f, g, &h, a, b, c, &d, 0x2de92c6f592b0275ull, w4 += sigma1(w2) + w13 + sigma0(w5));
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Round(d, e, f, &g, h, a, b, &c, 0x4a7484aa6ea6e483ull, w5 += sigma1(w3) + w14 + sigma0(w6));
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Round(c, d, e, &f, g, h, a, &b, 0x5cb0a9dcbd41fbd4ull, w6 += sigma1(w4) + w15 + sigma0(w7));
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Round(b, c, d, &e, f, g, h, &a, 0x76f988da831153b5ull, w7 += sigma1(w5) + w0 + sigma0(w8));
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Round(a, b, c, &d, e, f, g, &h, 0x983e5152ee66dfabull, w8 += sigma1(w6) + w1 + sigma0(w9));
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Round(h, a, b, &c, d, e, f, &g, 0xa831c66d2db43210ull, w9 += sigma1(w7) + w2 + sigma0(w10));
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Round(g, h, a, &b, c, d, e, &f, 0xb00327c898fb213full, w10 += sigma1(w8) + w3 + sigma0(w11));
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Round(f, g, h, &a, b, c, d, &e, 0xbf597fc7beef0ee4ull, w11 += sigma1(w9) + w4 + sigma0(w12));
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Round(e, f, g, &h, a, b, c, &d, 0xc6e00bf33da88fc2ull, w12 += sigma1(w10) + w5 + sigma0(w13));
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Round(d, e, f, &g, h, a, b, &c, 0xd5a79147930aa725ull, w13 += sigma1(w11) + w6 + sigma0(w14));
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Round(c, d, e, &f, g, h, a, &b, 0x06ca6351e003826full, w14 += sigma1(w12) + w7 + sigma0(w15));
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Round(b, c, d, &e, f, g, h, &a, 0x142929670a0e6e70ull, w15 += sigma1(w13) + w8 + sigma0(w0));
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Round(a, b, c, &d, e, f, g, &h, 0x27b70a8546d22ffcull, w0 += sigma1(w14) + w9 + sigma0(w1));
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Round(h, a, b, &c, d, e, f, &g, 0x2e1b21385c26c926ull, w1 += sigma1(w15) + w10 + sigma0(w2));
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Round(g, h, a, &b, c, d, e, &f, 0x4d2c6dfc5ac42aedull, w2 += sigma1(w0) + w11 + sigma0(w3));
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Round(f, g, h, &a, b, c, d, &e, 0x53380d139d95b3dfull, w3 += sigma1(w1) + w12 + sigma0(w4));
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Round(e, f, g, &h, a, b, c, &d, 0x650a73548baf63deull, w4 += sigma1(w2) + w13 + sigma0(w5));
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Round(d, e, f, &g, h, a, b, &c, 0x766a0abb3c77b2a8ull, w5 += sigma1(w3) + w14 + sigma0(w6));
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Round(c, d, e, &f, g, h, a, &b, 0x81c2c92e47edaee6ull, w6 += sigma1(w4) + w15 + sigma0(w7));
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Round(b, c, d, &e, f, g, h, &a, 0x92722c851482353bull, w7 += sigma1(w5) + w0 + sigma0(w8));
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Round(a, b, c, &d, e, f, g, &h, 0xa2bfe8a14cf10364ull, w8 += sigma1(w6) + w1 + sigma0(w9));
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Round(h, a, b, &c, d, e, f, &g, 0xa81a664bbc423001ull, w9 += sigma1(w7) + w2 + sigma0(w10));
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Round(g, h, a, &b, c, d, e, &f, 0xc24b8b70d0f89791ull, w10 += sigma1(w8) + w3 + sigma0(w11));
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Round(f, g, h, &a, b, c, d, &e, 0xc76c51a30654be30ull, w11 += sigma1(w9) + w4 + sigma0(w12));
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Round(e, f, g, &h, a, b, c, &d, 0xd192e819d6ef5218ull, w12 += sigma1(w10) + w5 + sigma0(w13));
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Round(d, e, f, &g, h, a, b, &c, 0xd69906245565a910ull, w13 += sigma1(w11) + w6 + sigma0(w14));
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Round(c, d, e, &f, g, h, a, &b, 0xf40e35855771202aull, w14 += sigma1(w12) + w7 + sigma0(w15));
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Round(b, c, d, &e, f, g, h, &a, 0x106aa07032bbd1b8ull, w15 += sigma1(w13) + w8 + sigma0(w0));
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Round(a, b, c, &d, e, f, g, &h, 0x19a4c116b8d2d0c8ull, w0 += sigma1(w14) + w9 + sigma0(w1));
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Round(h, a, b, &c, d, e, f, &g, 0x1e376c085141ab53ull, w1 += sigma1(w15) + w10 + sigma0(w2));
|
||||
Round(g, h, a, &b, c, d, e, &f, 0x2748774cdf8eeb99ull, w2 += sigma1(w0) + w11 + sigma0(w3));
|
||||
Round(f, g, h, &a, b, c, d, &e, 0x34b0bcb5e19b48a8ull, w3 += sigma1(w1) + w12 + sigma0(w4));
|
||||
Round(e, f, g, &h, a, b, c, &d, 0x391c0cb3c5c95a63ull, w4 += sigma1(w2) + w13 + sigma0(w5));
|
||||
Round(d, e, f, &g, h, a, b, &c, 0x4ed8aa4ae3418acbull, w5 += sigma1(w3) + w14 + sigma0(w6));
|
||||
Round(c, d, e, &f, g, h, a, &b, 0x5b9cca4f7763e373ull, w6 += sigma1(w4) + w15 + sigma0(w7));
|
||||
Round(b, c, d, &e, f, g, h, &a, 0x682e6ff3d6b2b8a3ull, w7 += sigma1(w5) + w0 + sigma0(w8));
|
||||
Round(a, b, c, &d, e, f, g, &h, 0x748f82ee5defb2fcull, w8 += sigma1(w6) + w1 + sigma0(w9));
|
||||
Round(h, a, b, &c, d, e, f, &g, 0x78a5636f43172f60ull, w9 += sigma1(w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, &b, c, d, e, &f, 0x84c87814a1f0ab72ull, w10 += sigma1(w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, &a, b, c, d, &e, 0x8cc702081a6439ecull, w11 += sigma1(w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, &h, a, b, c, &d, 0x90befffa23631e28ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, &g, h, a, b, &c, 0xa4506cebde82bde9ull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, &f, g, h, a, &b, 0xbef9a3f7b2c67915ull, w14 += sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, &e, f, g, h, &a, 0xc67178f2e372532bull, w15 += sigma1(w13) + w8 + sigma0(w0));
|
||||
|
||||
Round(a, b, c, &d, e, f, g, &h, 0xca273eceea26619cull, w0 += sigma1(w14) + w9 + sigma0(w1));
|
||||
Round(h, a, b, &c, d, e, f, &g, 0xd186b8c721c0c207ull, w1 += sigma1(w15) + w10 + sigma0(w2));
|
||||
Round(g, h, a, &b, c, d, e, &f, 0xeada7dd6cde0eb1eull, w2 += sigma1(w0) + w11 + sigma0(w3));
|
||||
Round(f, g, h, &a, b, c, d, &e, 0xf57d4f7fee6ed178ull, w3 += sigma1(w1) + w12 + sigma0(w4));
|
||||
Round(e, f, g, &h, a, b, c, &d, 0x06f067aa72176fbaull, w4 += sigma1(w2) + w13 + sigma0(w5));
|
||||
Round(d, e, f, &g, h, a, b, &c, 0x0a637dc5a2c898a6ull, w5 += sigma1(w3) + w14 + sigma0(w6));
|
||||
Round(c, d, e, &f, g, h, a, &b, 0x113f9804bef90daeull, w6 += sigma1(w4) + w15 + sigma0(w7));
|
||||
Round(b, c, d, &e, f, g, h, &a, 0x1b710b35131c471bull, w7 += sigma1(w5) + w0 + sigma0(w8));
|
||||
Round(a, b, c, &d, e, f, g, &h, 0x28db77f523047d84ull, w8 += sigma1(w6) + w1 + sigma0(w9));
|
||||
Round(h, a, b, &c, d, e, f, &g, 0x32caab7b40c72493ull, w9 += sigma1(w7) + w2 + sigma0(w10));
|
||||
Round(g, h, a, &b, c, d, e, &f, 0x3c9ebe0a15c9bebcull, w10 += sigma1(w8) + w3 + sigma0(w11));
|
||||
Round(f, g, h, &a, b, c, d, &e, 0x431d67c49c100d4cull, w11 += sigma1(w9) + w4 + sigma0(w12));
|
||||
Round(e, f, g, &h, a, b, c, &d, 0x4cc5d4becb3e42b6ull, w12 += sigma1(w10) + w5 + sigma0(w13));
|
||||
Round(d, e, f, &g, h, a, b, &c, 0x597f299cfc657e2aull, w13 += sigma1(w11) + w6 + sigma0(w14));
|
||||
Round(c, d, e, &f, g, h, a, &b, 0x5fcb6fab3ad6faecull, w14 + sigma1(w12) + w7 + sigma0(w15));
|
||||
Round(b, c, d, &e, f, g, h, &a, 0x6c44198c4a475817ull, w15 + sigma1(w13) + w8 + sigma0(w0));
|
||||
|
||||
s[0] += a;
|
||||
s[1] += b;
|
||||
s[2] += c;
|
||||
s[3] += d;
|
||||
s[4] += e;
|
||||
s[5] += f;
|
||||
s[6] += g;
|
||||
s[7] += h;
|
||||
}
|
||||
|
||||
static bool alignment_ok(const void *p UNUSED, size_t n UNUSED)
|
||||
{
|
||||
#if HAVE_UNALIGNED_ACCESS
|
||||
return true;
|
||||
#else
|
||||
return ((size_t)p % n == 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void add(struct sha512_ctx *ctx, const void *p, size_t len)
|
||||
{
|
||||
const unsigned char *data = p;
|
||||
size_t bufsize = ctx->bytes % 128;
|
||||
|
||||
if (bufsize + len >= 128) {
|
||||
/* Fill the buffer, and process it. */
|
||||
memcpy(ctx->buf.u8 + bufsize, data, 128 - bufsize);
|
||||
ctx->bytes += 128 - bufsize;
|
||||
data += 128 - bufsize;
|
||||
len -= 128 - bufsize;
|
||||
Transform(ctx->s, ctx->buf.u64);
|
||||
bufsize = 0;
|
||||
}
|
||||
|
||||
while (len >= 128) {
|
||||
/* Process full chunks directly from the source. */
|
||||
if (alignment_ok(data, sizeof(uint64_t)))
|
||||
Transform(ctx->s, (const uint64_t *)data);
|
||||
else {
|
||||
memcpy(ctx->buf.u8, data, sizeof(ctx->buf));
|
||||
Transform(ctx->s, ctx->buf.u64);
|
||||
}
|
||||
ctx->bytes += 128;
|
||||
data += 128;
|
||||
len -= 128;
|
||||
}
|
||||
|
||||
if (len) {
|
||||
/* Fill the buffer with what remains. */
|
||||
memcpy(ctx->buf.u8 + bufsize, data, len);
|
||||
ctx->bytes += len;
|
||||
}
|
||||
}
|
||||
|
||||
void sha512_init(struct sha512_ctx *ctx)
|
||||
{
|
||||
struct sha512_ctx init = SHA512_INIT;
|
||||
*ctx = init;
|
||||
}
|
||||
|
||||
void sha512_update(struct sha512_ctx *ctx, const void *p, size_t size)
|
||||
{
|
||||
check_sha512(ctx);
|
||||
add(ctx, p, size);
|
||||
}
|
||||
|
||||
void sha512_done(struct sha512_ctx *ctx, struct sha512 *res)
|
||||
{
|
||||
static const unsigned char pad[128] = { 0x80 };
|
||||
uint64_t sizedesc[2] = { 0, 0 };
|
||||
size_t i;
|
||||
|
||||
sizedesc[1] = cpu_to_be64((uint64_t)ctx->bytes << 3);
|
||||
|
||||
/* Add '1' bit to terminate, then all 0 bits, up to next block - 16. */
|
||||
add(ctx, pad, 1 + ((256 - 16 - (ctx->bytes % 128) - 1) % 128));
|
||||
/* Add number of bits of data (big endian) */
|
||||
add(ctx, sizedesc, sizeof(sizedesc));
|
||||
for (i = 0; i < sizeof(ctx->s) / sizeof(ctx->s[0]); i++)
|
||||
res->u.u64[i] = cpu_to_be64(ctx->s[i]);
|
||||
invalidate_sha512(ctx);
|
||||
}
|
||||
|
||||
void sha512(struct sha512 *sha, const void *p, size_t size)
|
||||
{
|
||||
struct sha512_ctx ctx;
|
||||
|
||||
sha512_init(&ctx);
|
||||
sha512_update(&ctx, p, size);
|
||||
sha512_done(&ctx, sha);
|
||||
}
|
||||
|
||||
/* From hex.h */
|
||||
/**
|
||||
* hex_decode - Unpack a hex string.
|
||||
* @str: the hexidecimal string
|
||||
* @slen: the length of @str
|
||||
* @buf: the buffer to write the data into
|
||||
* @bufsize: the length of @buf
|
||||
*
|
||||
* Returns false if there are any characters which aren't 0-9, a-f or A-F,
|
||||
* of the string wasn't the right length for @bufsize.
|
||||
*
|
||||
* Example:
|
||||
* unsigned char data[20];
|
||||
*
|
||||
* if (!hex_decode(argv[1], strlen(argv[1]), data, 20))
|
||||
* printf("String is malformed!\n");
|
||||
*/
|
||||
bool hex_decode(const char *str, size_t slen, void *buf, size_t bufsize);
|
||||
|
||||
/**
|
||||
* hex_encode - Create a nul-terminated hex string
|
||||
* @buf: the buffer to read the data from
|
||||
* @bufsize: the length of @buf
|
||||
* @dest: the string to fill
|
||||
* @destsize: the max size of the string
|
||||
*
|
||||
* Returns true if the string, including terminator, fit in @destsize;
|
||||
*
|
||||
* Example:
|
||||
* unsigned char buf[] = { 0x1F, 0x2F };
|
||||
* char str[5];
|
||||
*
|
||||
* if (!hex_encode(buf, sizeof(buf), str, sizeof(str)))
|
||||
* abort();
|
||||
*/
|
||||
bool hex_encode(const void *buf, size_t bufsize, char *dest, size_t destsize);
|
||||
|
||||
/**
|
||||
* hex_str_size - Calculate how big a nul-terminated hex string is
|
||||
* @bytes: bytes of data to represent
|
||||
*
|
||||
* Example:
|
||||
* unsigned char buf[] = { 0x1F, 0x2F };
|
||||
* char str[hex_str_size(sizeof(buf))];
|
||||
*
|
||||
* hex_encode(buf, sizeof(buf), str, sizeof(str));
|
||||
*/
|
||||
static inline size_t hex_str_size(size_t bytes)
|
||||
{
|
||||
return 2 * bytes + 1;
|
||||
}
|
||||
|
||||
/* From hex.c */
|
||||
static bool char_to_hex(unsigned char *val, char c)
|
||||
{
|
||||
if (c >= '0' && c <= '9') {
|
||||
*val = c - '0';
|
||||
return true;
|
||||
}
|
||||
if (c >= 'a' && c <= 'f') {
|
||||
*val = c - 'a' + 10;
|
||||
return true;
|
||||
}
|
||||
if (c >= 'A' && c <= 'F') {
|
||||
*val = c - 'A' + 10;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool hex_decode(const char *str, size_t slen, void *buf, size_t bufsize)
|
||||
{
|
||||
unsigned char v1, v2;
|
||||
unsigned char *p = buf;
|
||||
|
||||
while (slen > 1) {
|
||||
if (!char_to_hex(&v1, str[0]) || !char_to_hex(&v2, str[1]))
|
||||
return false;
|
||||
if (!bufsize)
|
||||
return false;
|
||||
*(p++) = (v1 << 4) | v2;
|
||||
str += 2;
|
||||
slen -= 2;
|
||||
bufsize--;
|
||||
}
|
||||
return slen == 0 && bufsize == 0;
|
||||
}
|
||||
|
||||
static char hexchar(unsigned int val)
|
||||
{
|
||||
if (val < 10)
|
||||
return '0' + val;
|
||||
if (val < 16)
|
||||
return 'a' + val - 10;
|
||||
abort();
|
||||
}
|
||||
|
||||
bool hex_encode(const void *buf, size_t bufsize, char *dest, size_t destsize)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
if (destsize < hex_str_size(bufsize))
|
||||
return false;
|
||||
|
||||
for (i = 0; i < bufsize; i++) {
|
||||
unsigned int c = ((const unsigned char *)buf)[i];
|
||||
*(dest++) = hexchar(c >> 4);
|
||||
*(dest++) = hexchar(c & 0xF);
|
||||
}
|
||||
*dest = '\0';
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* From tap.h */
|
||||
/**
|
||||
* plan_tests - announce the number of tests you plan to run
|
||||
* @tests: the number of tests
|
||||
*
|
||||
* This should be the first call in your test program: it allows tracing
|
||||
* of failures which mean that not all tests are run.
|
||||
*
|
||||
* If you don't know how many tests will actually be run, assume all of them
|
||||
* and use skip() if you don't actually run some tests.
|
||||
*
|
||||
* Example:
|
||||
* plan_tests(13);
|
||||
*/
|
||||
void plan_tests(unsigned int tests);
|
||||
|
||||
/**
|
||||
* ok1 - Simple conditional test
|
||||
* @e: the expression which we expect to be true.
|
||||
*
|
||||
* This is the simplest kind of test: if the expression is true, the
|
||||
* test passes. The name of the test which is printed will simply be
|
||||
* file name, line number, and the expression itself.
|
||||
*
|
||||
* Example:
|
||||
* ok1(somefunc() == 1);
|
||||
*/
|
||||
# define ok1(e) ((e) ? \
|
||||
_gen_result(1, __func__, __FILE__, __LINE__, "%s", #e) : \
|
||||
_gen_result(0, __func__, __FILE__, __LINE__, "%s", #e))
|
||||
|
||||
/**
|
||||
* exit_status - the value that main should return.
|
||||
*
|
||||
* For maximum compatibility your test program should return a particular exit
|
||||
* code (ie. 0 if all tests were run, and every test which was expected to
|
||||
* succeed succeeded).
|
||||
*
|
||||
* Example:
|
||||
* exit(exit_status());
|
||||
*/
|
||||
int exit_status(void);
|
||||
|
||||
/**
|
||||
* tap_fail_callback - function to call when we fail
|
||||
*
|
||||
* This can be used to ease debugging, or exit on the first failure.
|
||||
*/
|
||||
void (*tap_fail_callback)(void);
|
||||
|
||||
/* From tap.c */
|
||||
|
||||
static int no_plan = 0;
|
||||
static int skip_all = 0;
|
||||
static int have_plan = 0;
|
||||
static unsigned int test_count = 0; /* Number of tests that have been run */
|
||||
static unsigned int e_tests = 0; /* Expected number of tests to run */
|
||||
static unsigned int failures = 0; /* Number of tests that failed */
|
||||
static char *todo_msg = NULL;
|
||||
static const char *todo_msg_fixed = "libtap malloc issue";
|
||||
static int todo = 0;
|
||||
static int test_died = 0;
|
||||
static int test_pid;
|
||||
|
||||
static void
|
||||
_expected_tests(unsigned int tests)
|
||||
{
|
||||
printf("1..%d\n", tests);
|
||||
e_tests = tests;
|
||||
}
|
||||
|
||||
static void
|
||||
diagv(const char *fmt, va_list ap)
|
||||
{
|
||||
fputs("# ", stdout);
|
||||
vfprintf(stdout, fmt, ap);
|
||||
fputs("\n", stdout);
|
||||
}
|
||||
|
||||
static void
|
||||
_diag(const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
va_start(ap, fmt);
|
||||
diagv(fmt, ap);
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
/*
|
||||
* Generate a test result.
|
||||
*
|
||||
* ok -- boolean, indicates whether or not the test passed.
|
||||
* test_name -- the name of the test, may be NULL
|
||||
* test_comment -- a comment to print afterwards, may be NULL
|
||||
*/
|
||||
unsigned int
|
||||
_gen_result(int ok, const char *func, const char *file, unsigned int line,
|
||||
const char *test_name, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char *local_test_name = NULL;
|
||||
char *c;
|
||||
int name_is_digits;
|
||||
|
||||
test_count++;
|
||||
|
||||
/* Start by taking the test name and performing any printf()
|
||||
expansions on it */
|
||||
if(test_name != NULL) {
|
||||
va_start(ap, test_name);
|
||||
if (vasprintf(&local_test_name, test_name, ap) < 0)
|
||||
local_test_name = NULL;
|
||||
va_end(ap);
|
||||
|
||||
/* Make sure the test name contains more than digits
|
||||
and spaces. Emit an error message and exit if it
|
||||
does */
|
||||
if(local_test_name) {
|
||||
name_is_digits = 1;
|
||||
for(c = local_test_name; *c != '\0'; c++) {
|
||||
if(!isdigit((unsigned char)*c)
|
||||
&& !isspace((unsigned char)*c)) {
|
||||
name_is_digits = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if(name_is_digits) {
|
||||
_diag(" You named your test '%s'. You shouldn't use numbers for your test names.", local_test_name);
|
||||
_diag(" Very confusing.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(!ok) {
|
||||
printf("not ");
|
||||
failures++;
|
||||
}
|
||||
|
||||
printf("ok %d", test_count);
|
||||
|
||||
if(test_name != NULL) {
|
||||
printf(" - ");
|
||||
|
||||
/* Print the test name, escaping any '#' characters it
|
||||
might contain */
|
||||
if(local_test_name != NULL) {
|
||||
flockfile(stdout);
|
||||
for(c = local_test_name; *c != '\0'; c++) {
|
||||
if(*c == '#')
|
||||
fputc('\\', stdout);
|
||||
fputc((int)*c, stdout);
|
||||
}
|
||||
funlockfile(stdout);
|
||||
} else { /* vasprintf() failed, use a fixed message */
|
||||
printf("%s", todo_msg_fixed);
|
||||
}
|
||||
}
|
||||
|
||||
/* If we're in a todo_start() block then flag the test as being
|
||||
TODO. todo_msg should contain the message to print at this
|
||||
point. If it's NULL then asprintf() failed, and we should
|
||||
use the fixed message.
|
||||
|
||||
This is not counted as a failure, so decrement the counter if
|
||||
the test failed. */
|
||||
if(todo) {
|
||||
printf(" # TODO %s", todo_msg ? todo_msg : todo_msg_fixed);
|
||||
if(!ok)
|
||||
failures--;
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
|
||||
if(!ok)
|
||||
_diag(" Failed %stest (%s:%s() at line %d)",
|
||||
todo ? "(TODO) " : "", file, func, line);
|
||||
|
||||
free(local_test_name);
|
||||
|
||||
if (!ok && tap_fail_callback)
|
||||
tap_fail_callback();
|
||||
|
||||
/* We only care (when testing) that ok is positive, but here we
|
||||
specifically only want to return 1 or 0 */
|
||||
return ok ? 1 : 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Cleanup at the end of the run, produce any final output that might be
|
||||
* required.
|
||||
*/
|
||||
static void
|
||||
_cleanup(void)
|
||||
{
|
||||
/* If we forked, don't do cleanup in child! */
|
||||
if (getpid() != test_pid)
|
||||
return;
|
||||
|
||||
/* If plan_no_plan() wasn't called, and we don't have a plan,
|
||||
and we're not skipping everything, then something happened
|
||||
before we could produce any output */
|
||||
if(!no_plan && !have_plan && !skip_all) {
|
||||
_diag("Looks like your test died before it could output anything.");
|
||||
return;
|
||||
}
|
||||
|
||||
if(test_died) {
|
||||
_diag("Looks like your test died just after %d.", test_count);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
/* No plan provided, but now we know how many tests were run, and can
|
||||
print the header at the end */
|
||||
if(!skip_all && (no_plan || !have_plan)) {
|
||||
printf("1..%d\n", test_count);
|
||||
}
|
||||
|
||||
if((have_plan && !no_plan) && e_tests < test_count) {
|
||||
_diag("Looks like you planned %d tests but ran %d extra.",
|
||||
e_tests, test_count - e_tests);
|
||||
return;
|
||||
}
|
||||
|
||||
if((have_plan || !no_plan) && e_tests > test_count) {
|
||||
_diag("Looks like you planned %d tests but only ran %d.",
|
||||
e_tests, test_count);
|
||||
if(failures) {
|
||||
_diag("Looks like you failed %d tests of %d run.",
|
||||
failures, test_count);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if(failures)
|
||||
_diag("Looks like you failed %d tests of %d.",
|
||||
failures, test_count);
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialise the TAP library. Will only do so once, however many times it's
|
||||
* called.
|
||||
*/
|
||||
static void
|
||||
_tap_init(void)
|
||||
{
|
||||
static int run_once = 0;
|
||||
|
||||
if(!run_once) {
|
||||
test_pid = getpid();
|
||||
atexit(_cleanup);
|
||||
|
||||
/* stdout needs to be unbuffered so that the output appears
|
||||
in the same place relative to stderr output as it does
|
||||
with Test::Harness */
|
||||
// setbuf(stdout, 0);
|
||||
run_once = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the number of tests that will be run.
|
||||
*/
|
||||
void
|
||||
plan_tests(unsigned int tests)
|
||||
{
|
||||
|
||||
_tap_init();
|
||||
|
||||
if(have_plan != 0) {
|
||||
fprintf(stderr, "You tried to plan twice!\n");
|
||||
test_died = 1;
|
||||
exit(255);
|
||||
}
|
||||
|
||||
if(tests == 0) {
|
||||
fprintf(stderr, "You said to run 0 tests! You've got to run something.\n");
|
||||
test_died = 1;
|
||||
exit(255);
|
||||
}
|
||||
|
||||
have_plan = 1;
|
||||
|
||||
_expected_tests(tests);
|
||||
}
|
||||
|
||||
static int
|
||||
exit_status_(void)
|
||||
{
|
||||
int r;
|
||||
|
||||
/* If there's no plan, just return the number of failures */
|
||||
if(no_plan || !have_plan) {
|
||||
return failures;
|
||||
}
|
||||
|
||||
/* Ran too many tests? Return the number of tests that were run
|
||||
that shouldn't have been */
|
||||
if(e_tests < test_count) {
|
||||
r = test_count - e_tests;
|
||||
return r;
|
||||
}
|
||||
|
||||
/* Return the number of tests that failed + the number of tests
|
||||
that weren't run */
|
||||
r = failures + e_tests - test_count;
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
int
|
||||
exit_status(void)
|
||||
{
|
||||
int r = exit_status_();
|
||||
if (r > 255)
|
||||
r = 255;
|
||||
return r;
|
||||
}
|
||||
|
||||
/* From run-test-vectors.c */
|
||||
|
||||
/* Test vectors. */
|
||||
struct test {
|
||||
const char *vector;
|
||||
size_t repetitions;
|
||||
const char *expected;
|
||||
};
|
||||
|
||||
static const char ZEROES[] =
|
||||
"0000000000000000000000000000000000000000000000000000000000000000"
|
||||
"0000000000000000000000000000000000000000000000000000000000000000";
|
||||
|
||||
static struct test tests[] = {
|
||||
/* http://csrc.nist.gov/groups/STM/cavp/secure-hashing.html ShortMsg */
|
||||
{ "21", 1,
|
||||
"3831a6a6155e509dee59a7f451eb35324d8f8f2df6e3708894740f98fdee2388"
|
||||
"9f4de5adb0c5010dfb555cda77c8ab5dc902094c52de3278f35a75ebc25f093a" },
|
||||
{ "9083", 1,
|
||||
"55586ebba48768aeb323655ab6f4298fc9f670964fc2e5f2731e34dfa4b0c09e"
|
||||
"6e1e12e3d7286b3145c61c2047fb1a2a1297f36da64160b31fa4c8c2cddd2fb4" },
|
||||
{ "0a55db", 1,
|
||||
"7952585e5330cb247d72bae696fc8a6b0f7d0804577e347d99bc1b11e52f3849"
|
||||
"85a428449382306a89261ae143c2f3fb613804ab20b42dc097e5bf4a96ef919b" },
|
||||
{ "23be86d5", 1,
|
||||
"76d42c8eadea35a69990c63a762f330614a4699977f058adb988f406fb0be8f2"
|
||||
"ea3dce3a2bbd1d827b70b9b299ae6f9e5058ee97b50bd4922d6d37ddc761f8eb" },
|
||||
{ "eb0ca946c1", 1,
|
||||
"d39ecedfe6e705a821aee4f58bfc489c3d9433eb4ac1b03a97e321a2586b40dd"
|
||||
"0522f40fa5aef36afff591a78c916bfc6d1ca515c4983dd8695b1ec7951d723e" },
|
||||
{ "38667f39277b", 1,
|
||||
"85708b8ff05d974d6af0801c152b95f5fa5c06af9a35230c5bea2752f031f9bd"
|
||||
"84bd844717b3add308a70dc777f90813c20b47b16385664eefc88449f04f2131" },
|
||||
{ "b39f71aaa8a108", 1,
|
||||
"258b8efa05b4a06b1e63c7a3f925c5ef11fa03e3d47d631bf4d474983783d8c0"
|
||||
"b09449009e842fc9fa15de586c67cf8955a17d790b20f41dadf67ee8cdcdfce6" },
|
||||
{ "dc28484ebfd293d62ac759d5754bdf502423e4d419fa79020805134b2ce3dff7"
|
||||
"38c7556c91d810adbad8dd210f041296b73c2185d4646c97fc0a5b69ed49ac8c"
|
||||
"7ced0bd1cfd7e3c3cca47374d189247da6811a40b0ab097067ed4ad40ade2e47"
|
||||
"91e39204e398b3204971445822a1be0dd93af8", 1,
|
||||
"615115d2e8b62e345adaa4bdb95395a3b4fe27d71c4a111b86c1841463c5f03d"
|
||||
"6b20d164a39948ab08ae060720d05c10f6022e5c8caf2fa3bca2e04d9c539ded" },
|
||||
{ "fd2203e467574e834ab07c9097ae164532f24be1eb5d88f1af7748ceff0d2c67"
|
||||
"a21f4e4097f9d3bb4e9fbf97186e0db6db0100230a52b453d421f8ab9c9a6043"
|
||||
"aa3295ea20d2f06a2f37470d8a99075f1b8a8336f6228cf08b5942fc1fb4299c"
|
||||
"7d2480e8e82bce175540bdfad7752bc95b577f229515394f3ae5cec870a4b2f8",
|
||||
1,
|
||||
"a21b1077d52b27ac545af63b32746c6e3c51cb0cb9f281eb9f3580a6d4996d5c"
|
||||
"9917d2a6e484627a9d5a06fa1b25327a9d710e027387fc3e07d7c4d14c6086cc" },
|
||||
/* http://www.di-mgt.com.au/sha_testvectors.html */
|
||||
{ ZEROES, 1,
|
||||
"7be9fda48f4179e611c698a73cff09faf72869431efee6eaad14de0cb44bbf66"
|
||||
"503f752b7a8eb17083355f3ce6eb7d2806f236b25af96a24e22b887405c20081" }
|
||||
};
|
||||
|
||||
static void *xmalloc(size_t size)
|
||||
{
|
||||
char * ret;
|
||||
ret = malloc(size);
|
||||
if (ret == NULL) {
|
||||
perror("malloc");
|
||||
abort();
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static bool do_test(const struct test *t)
|
||||
{
|
||||
struct sha512 h;
|
||||
char got[128 + 1];
|
||||
bool passed;
|
||||
size_t i, vector_len = strlen(t->vector) / 2;
|
||||
void *vector = xmalloc(vector_len);
|
||||
|
||||
hex_decode(t->vector, vector_len * 2, vector, vector_len);
|
||||
|
||||
for (i = 0; i < t->repetitions; i++) {
|
||||
sha512(&h, vector, vector_len);
|
||||
if (t->repetitions > 1)
|
||||
memcpy(vector, &h, sizeof(h));
|
||||
}
|
||||
|
||||
hex_encode(&h, sizeof(h), got, sizeof(got));
|
||||
|
||||
passed = strcmp(t->expected, got) == 0;
|
||||
free(vector);
|
||||
return passed;
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
const size_t num_tests = sizeof(tests) / sizeof(tests[0]);
|
||||
size_t i;
|
||||
|
||||
/* This is how many tests you plan to run */
|
||||
plan_tests(num_tests);
|
||||
|
||||
for (i = 0; i < num_tests; i++)
|
||||
ok1(do_test(&tests[i]));
|
||||
|
||||
/* This exits depending on whether all tests passed */
|
||||
return exit_status();
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user