| /* |
| * FIPS-180-2 compliant SHA-384/512 implementation |
| * |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * The SHA-512 Secure Hash Standard was published by NIST in 2002. |
| * |
| * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf |
| */ |
| |
| #include "common.h" |
| |
| #if defined(MBEDTLS_SHA512_C) |
| |
| #include "mbedtls/sha512.h" |
| #include "mbedtls/platform_util.h" |
| #include "mbedtls/error.h" |
| |
| #if defined(_MSC_VER) || defined(__WATCOMC__) |
| #define UL64(x) x##ui64 |
| #else |
| #define UL64(x) x##ULL |
| #endif |
| |
| #include <string.h> |
| |
| #if defined(MBEDTLS_SELF_TEST) |
| #if defined(MBEDTLS_PLATFORM_C) |
| #include "mbedtls/platform.h" |
| #else |
| #include <stdio.h> |
| #include <stdlib.h> |
| #define mbedtls_printf printf |
| #define mbedtls_calloc calloc |
| #define mbedtls_free free |
| #endif /* MBEDTLS_PLATFORM_C */ |
| #endif /* MBEDTLS_SELF_TEST */ |
| |
| #if defined(__aarch64__) |
| # if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) || \ |
| defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| # include <arm_neon.h> |
| # endif |
| # if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| # if defined(__unix__) |
| # if defined(__linux__) |
| /* Our preferred method of detection is getauxval() */ |
| # include <sys/auxv.h> |
| # endif |
| /* Use SIGILL on Unix, and fall back to it on Linux */ |
| # include <signal.h> |
| # endif |
| # endif |
| #elif defined(_M_ARM64) |
| # if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) || \ |
| defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| # include <arm64_neon.h> |
| # endif |
| #else |
| # undef MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY |
| # undef MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT |
| #endif |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| /* |
| * Capability detection code comes early, so we can disable |
| * MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT if no detection mechanism found |
| */ |
| #if defined(HWCAP_SHA512) |
| static int mbedtls_a64_crypto_sha512_determine_support( void ) |
| { |
| return( ( getauxval( AT_HWCAP ) & HWCAP_SHA512 ) ? 1 : 0 ); |
| } |
| #elif defined(__APPLE__) |
| #include <sys/types.h> |
| #include <sys/sysctl.h> |
| |
| static int mbedtls_a64_crypto_sha512_determine_support( void ) |
| { |
| int value = 0; |
| size_t value_len = sizeof(value); |
| |
| int ret = sysctlbyname( "hw.optional.armv8_2_sha512", &value, &value_len, |
| NULL, 0 ); |
| return( ret == 0 && value != 0 ); |
| } |
| #elif defined(_M_ARM64) |
| /* |
| * As of March 2022, there don't appear to be any PF_ARM_V8_* flags |
| * available to pass to IsProcessorFeaturePresent() to check for |
| * SHA-512 support. So we fall back to the C code only. |
| */ |
| #if defined(_MSC_VER) |
| #pragma message "No mechanism to detect A64_CRYPTO found, using C code only" |
| #else |
| #warning "No mechanism to detect A64_CRYPTO found, using C code only" |
| #endif |
| #elif defined(__unix__) && defined(SIG_SETMASK) |
| /* Detection with SIGILL, setjmp() and longjmp() */ |
| #include <signal.h> |
| #include <setjmp.h> |
| |
| #ifndef asm |
| #define asm __asm__ |
| #endif |
| |
| static jmp_buf return_from_sigill; |
| |
| /* |
| * A64 SHA512 support detection via SIGILL |
| */ |
| static void sigill_handler( int signal ) |
| { |
| (void) signal; |
| longjmp( return_from_sigill, 1 ); |
| } |
| |
| static int mbedtls_a64_crypto_sha512_determine_support( void ) |
| { |
| struct sigaction old_action, new_action; |
| |
| sigset_t old_mask; |
| if( sigprocmask( 0, NULL, &old_mask ) ) |
| return( 0 ); |
| |
| sigemptyset( &new_action.sa_mask ); |
| new_action.sa_flags = 0; |
| new_action.sa_handler = sigill_handler; |
| |
| sigaction( SIGILL, &new_action, &old_action ); |
| |
| static int ret = 0; |
| |
| if( setjmp( return_from_sigill ) == 0 ) /* First return only */ |
| { |
| /* If this traps, we will return a second time from setjmp() with 1 */ |
| asm( "sha512h q0, q0, v0.2d" : : : "v0" ); |
| ret = 1; |
| } |
| |
| sigaction( SIGILL, &old_action, NULL ); |
| sigprocmask( SIG_SETMASK, &old_mask, NULL ); |
| |
| return( ret ); |
| } |
| #else |
| #warning "No mechanism to detect A64_CRYPTO found, using C code only" |
| #undef MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT |
| #endif /* HWCAP_SHA512, __APPLE__, __unix__ && SIG_SETMASK */ |
| |
| #endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT */ |
| |
| #define SHA512_VALIDATE_RET(cond) \ |
| MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA512_BAD_INPUT_DATA ) |
| #define SHA512_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond ) |
| |
| #if !defined(MBEDTLS_SHA512_ALT) |
| |
| #define SHA512_BLOCK_SIZE 128 |
| |
| #if defined(MBEDTLS_SHA512_SMALLER) |
| static void sha512_put_uint64_be( uint64_t n, unsigned char *b, uint8_t i ) |
| { |
| MBEDTLS_PUT_UINT64_BE(n, b, i); |
| } |
| #else |
| #define sha512_put_uint64_be MBEDTLS_PUT_UINT64_BE |
| #endif /* MBEDTLS_SHA512_SMALLER */ |
| |
| void mbedtls_sha512_init( mbedtls_sha512_context *ctx ) |
| { |
| SHA512_VALIDATE( ctx != NULL ); |
| |
| memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); |
| } |
| |
| void mbedtls_sha512_free( mbedtls_sha512_context *ctx ) |
| { |
| if( ctx == NULL ) |
| return; |
| |
| mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); |
| } |
| |
| void mbedtls_sha512_clone( mbedtls_sha512_context *dst, |
| const mbedtls_sha512_context *src ) |
| { |
| SHA512_VALIDATE( dst != NULL ); |
| SHA512_VALIDATE( src != NULL ); |
| |
| *dst = *src; |
| } |
| |
| /* |
| * SHA-512 context setup |
| */ |
| int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 ) |
| { |
| SHA512_VALIDATE_RET( ctx != NULL ); |
| #if defined(MBEDTLS_SHA384_C) |
| SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 ); |
| #else |
| SHA512_VALIDATE_RET( is384 == 0 ); |
| #endif |
| |
| ctx->total[0] = 0; |
| ctx->total[1] = 0; |
| |
| if( is384 == 0 ) |
| { |
| /* SHA-512 */ |
| ctx->state[0] = UL64(0x6A09E667F3BCC908); |
| ctx->state[1] = UL64(0xBB67AE8584CAA73B); |
| ctx->state[2] = UL64(0x3C6EF372FE94F82B); |
| ctx->state[3] = UL64(0xA54FF53A5F1D36F1); |
| ctx->state[4] = UL64(0x510E527FADE682D1); |
| ctx->state[5] = UL64(0x9B05688C2B3E6C1F); |
| ctx->state[6] = UL64(0x1F83D9ABFB41BD6B); |
| ctx->state[7] = UL64(0x5BE0CD19137E2179); |
| } |
| else |
| { |
| #if !defined(MBEDTLS_SHA384_C) |
| return( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA ); |
| #else |
| /* SHA-384 */ |
| ctx->state[0] = UL64(0xCBBB9D5DC1059ED8); |
| ctx->state[1] = UL64(0x629A292A367CD507); |
| ctx->state[2] = UL64(0x9159015A3070DD17); |
| ctx->state[3] = UL64(0x152FECD8F70E5939); |
| ctx->state[4] = UL64(0x67332667FFC00B31); |
| ctx->state[5] = UL64(0x8EB44A8768581511); |
| ctx->state[6] = UL64(0xDB0C2E0D64F98FA7); |
| ctx->state[7] = UL64(0x47B5481DBEFA4FA4); |
| #endif /* MBEDTLS_SHA384_C */ |
| } |
| |
| #if defined(MBEDTLS_SHA384_C) |
| ctx->is384 = is384; |
| #endif |
| |
| return( 0 ); |
| } |
| |
| #if !defined(MBEDTLS_SHA512_PROCESS_ALT) |
| |
| /* |
| * Round constants |
| */ |
| static const uint64_t K[80] = |
| { |
| UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD), |
| UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC), |
| UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019), |
| UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118), |
| UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE), |
| UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2), |
| UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1), |
| UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694), |
| UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3), |
| UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65), |
| UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483), |
| UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5), |
| UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210), |
| UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4), |
| UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725), |
| UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70), |
| UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926), |
| UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF), |
| UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8), |
| UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B), |
| UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001), |
| UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30), |
| UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910), |
| UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8), |
| UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53), |
| UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8), |
| UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB), |
| UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3), |
| UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60), |
| UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC), |
| UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9), |
| UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B), |
| UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207), |
| UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178), |
| UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6), |
| UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B), |
| UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493), |
| UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C), |
| UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A), |
| UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817) |
| }; |
| #endif |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) || \ |
| defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| # define mbedtls_internal_sha512_process_many_a64_crypto mbedtls_internal_sha512_process_many |
| # define mbedtls_internal_sha512_process_a64_crypto mbedtls_internal_sha512_process |
| #endif |
| |
| #ifndef asm |
| #define asm __asm__ |
| #endif |
| |
| /* Accelerated SHA-512 implementation originally written by Simon Tatham for PuTTY, |
| * under the MIT licence; dual-licensed as Apache 2 with his kind permission. |
| */ |
| |
| #if defined(__clang__) && \ |
| (__clang_major__ < 13 || \ |
| (__clang_major__ == 13 && __clang_minor__ == 0 && __clang_patchlevel__ == 0)) |
| static inline uint64x2_t vsha512su0q_u64(uint64x2_t x, uint64x2_t y) |
| { |
| asm( "sha512su0 %0.2D,%1.2D" : "+w" (x) : "w" (y) ); |
| return( x ); |
| } |
| static inline uint64x2_t vsha512su1q_u64(uint64x2_t x, uint64x2_t y, uint64x2_t z) |
| { |
| asm( "sha512su1 %0.2D,%1.2D,%2.2D" : "+w" (x) : "w" (y), "w" (z) ); |
| return( x ); |
| } |
| static inline uint64x2_t vsha512hq_u64(uint64x2_t x, uint64x2_t y, uint64x2_t z) |
| { |
| asm( "sha512h %0,%1,%2.2D" : "+w" (x) : "w" (y), "w" (z) ); |
| return( x ); |
| } |
| static inline uint64x2_t vsha512h2q_u64(uint64x2_t x, uint64x2_t y, uint64x2_t z) |
| { |
| asm( "sha512h2 %0,%1,%2.2D" : "+w" (x) : "w" (y), "w" (z) ); |
| return( x ); |
| } |
| #endif /* __clang__ etc */ |
| |
| static size_t mbedtls_internal_sha512_process_many_a64_crypto( |
| mbedtls_sha512_context *ctx, const uint8_t *msg, size_t len ) |
| { |
| uint64x2_t ab = vld1q_u64( &ctx->state[0] ); |
| uint64x2_t cd = vld1q_u64( &ctx->state[2] ); |
| uint64x2_t ef = vld1q_u64( &ctx->state[4] ); |
| uint64x2_t gh = vld1q_u64( &ctx->state[6] ); |
| |
| size_t processed = 0; |
| |
| for ( ; |
| len >= SHA512_BLOCK_SIZE; |
| processed += SHA512_BLOCK_SIZE, |
| msg += SHA512_BLOCK_SIZE, |
| len -= SHA512_BLOCK_SIZE ) |
| { |
| uint64x2_t initial_sum, sum, intermed; |
| |
| uint64x2_t ab_orig = ab; |
| uint64x2_t cd_orig = cd; |
| uint64x2_t ef_orig = ef; |
| uint64x2_t gh_orig = gh; |
| |
| uint64x2_t s0 = (uint64x2_t) vld1q_u8( msg + 16 * 0 ); |
| uint64x2_t s1 = (uint64x2_t) vld1q_u8( msg + 16 * 1 ); |
| uint64x2_t s2 = (uint64x2_t) vld1q_u8( msg + 16 * 2 ); |
| uint64x2_t s3 = (uint64x2_t) vld1q_u8( msg + 16 * 3 ); |
| uint64x2_t s4 = (uint64x2_t) vld1q_u8( msg + 16 * 4 ); |
| uint64x2_t s5 = (uint64x2_t) vld1q_u8( msg + 16 * 5 ); |
| uint64x2_t s6 = (uint64x2_t) vld1q_u8( msg + 16 * 6 ); |
| uint64x2_t s7 = (uint64x2_t) vld1q_u8( msg + 16 * 7 ); |
| |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ /* assume LE if these not defined; untested on BE */ |
| s0 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s0 ) ) ); |
| s1 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s1 ) ) ); |
| s2 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s2 ) ) ); |
| s3 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s3 ) ) ); |
| s4 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s4 ) ) ); |
| s5 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s5 ) ) ); |
| s6 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s6 ) ) ); |
| s7 = vreinterpretq_u64_u8( vrev64q_u8( vreinterpretq_u8_u64( s7 ) ) ); |
| #endif |
| |
| /* Rounds 0 and 1 */ |
| initial_sum = vaddq_u64( s0, vld1q_u64( &K[0] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), gh ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ef, gh, 1 ), vextq_u64( cd, ef, 1 ) ); |
| gh = vsha512h2q_u64( intermed, cd, ab ); |
| cd = vaddq_u64( cd, intermed ); |
| |
| /* Rounds 2 and 3 */ |
| initial_sum = vaddq_u64( s1, vld1q_u64( &K[2] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ef ); |
| intermed = vsha512hq_u64( sum, vextq_u64( cd, ef, 1 ), vextq_u64( ab, cd, 1 ) ); |
| ef = vsha512h2q_u64( intermed, ab, gh ); |
| ab = vaddq_u64( ab, intermed ); |
| |
| /* Rounds 4 and 5 */ |
| initial_sum = vaddq_u64( s2, vld1q_u64( &K[4] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), cd ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ab, cd, 1 ), vextq_u64( gh, ab, 1 ) ); |
| cd = vsha512h2q_u64( intermed, gh, ef ); |
| gh = vaddq_u64( gh, intermed ); |
| |
| /* Rounds 6 and 7 */ |
| initial_sum = vaddq_u64( s3, vld1q_u64( &K[6] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ab ); |
| intermed = vsha512hq_u64( sum, vextq_u64( gh, ab, 1 ), vextq_u64( ef, gh, 1 ) ); |
| ab = vsha512h2q_u64( intermed, ef, cd ); |
| ef = vaddq_u64( ef, intermed ); |
| |
| /* Rounds 8 and 9 */ |
| initial_sum = vaddq_u64( s4, vld1q_u64( &K[8] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), gh ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ef, gh, 1 ), vextq_u64( cd, ef, 1 ) ); |
| gh = vsha512h2q_u64( intermed, cd, ab ); |
| cd = vaddq_u64( cd, intermed ); |
| |
| /* Rounds 10 and 11 */ |
| initial_sum = vaddq_u64( s5, vld1q_u64( &K[10] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ef ); |
| intermed = vsha512hq_u64( sum, vextq_u64( cd, ef, 1 ), vextq_u64( ab, cd, 1 ) ); |
| ef = vsha512h2q_u64( intermed, ab, gh ); |
| ab = vaddq_u64( ab, intermed ); |
| |
| /* Rounds 12 and 13 */ |
| initial_sum = vaddq_u64( s6, vld1q_u64( &K[12] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), cd ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ab, cd, 1 ), vextq_u64( gh, ab, 1 ) ); |
| cd = vsha512h2q_u64( intermed, gh, ef ); |
| gh = vaddq_u64( gh, intermed ); |
| |
| /* Rounds 14 and 15 */ |
| initial_sum = vaddq_u64( s7, vld1q_u64( &K[14] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ab ); |
| intermed = vsha512hq_u64( sum, vextq_u64( gh, ab, 1 ), vextq_u64( ef, gh, 1 ) ); |
| ab = vsha512h2q_u64( intermed, ef, cd ); |
| ef = vaddq_u64( ef, intermed ); |
| |
| for ( unsigned int t = 16; t < 80; t += 16 ) |
| { |
| /* Rounds t and t + 1 */ |
| s0 = vsha512su1q_u64( vsha512su0q_u64( s0, s1 ), s7, vextq_u64( s4, s5, 1 ) ); |
| initial_sum = vaddq_u64( s0, vld1q_u64( &K[t] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), gh ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ef, gh, 1 ), vextq_u64( cd, ef, 1 ) ); |
| gh = vsha512h2q_u64( intermed, cd, ab ); |
| cd = vaddq_u64( cd, intermed ); |
| |
| /* Rounds t + 2 and t + 3 */ |
| s1 = vsha512su1q_u64( vsha512su0q_u64( s1, s2 ), s0, vextq_u64( s5, s6, 1 ) ); |
| initial_sum = vaddq_u64( s1, vld1q_u64( &K[t + 2] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ef ); |
| intermed = vsha512hq_u64( sum, vextq_u64( cd, ef, 1 ), vextq_u64( ab, cd, 1 ) ); |
| ef = vsha512h2q_u64( intermed, ab, gh ); |
| ab = vaddq_u64( ab, intermed ); |
| |
| /* Rounds t + 4 and t + 5 */ |
| s2 = vsha512su1q_u64( vsha512su0q_u64( s2, s3 ), s1, vextq_u64( s6, s7, 1 ) ); |
| initial_sum = vaddq_u64( s2, vld1q_u64( &K[t + 4] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), cd ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ab, cd, 1 ), vextq_u64( gh, ab, 1 ) ); |
| cd = vsha512h2q_u64( intermed, gh, ef ); |
| gh = vaddq_u64( gh, intermed ); |
| |
| /* Rounds t + 6 and t + 7 */ |
| s3 = vsha512su1q_u64( vsha512su0q_u64( s3, s4 ), s2, vextq_u64( s7, s0, 1 ) ); |
| initial_sum = vaddq_u64( s3, vld1q_u64( &K[t + 6] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ab ); |
| intermed = vsha512hq_u64( sum, vextq_u64( gh, ab, 1 ), vextq_u64( ef, gh, 1 ) ); |
| ab = vsha512h2q_u64( intermed, ef, cd ); |
| ef = vaddq_u64( ef, intermed ); |
| |
| /* Rounds t + 8 and t + 9 */ |
| s4 = vsha512su1q_u64( vsha512su0q_u64( s4, s5 ), s3, vextq_u64( s0, s1, 1 ) ); |
| initial_sum = vaddq_u64( s4, vld1q_u64( &K[t + 8] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), gh ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ef, gh, 1 ), vextq_u64( cd, ef, 1 ) ); |
| gh = vsha512h2q_u64( intermed, cd, ab ); |
| cd = vaddq_u64( cd, intermed ); |
| |
| /* Rounds t + 10 and t + 11 */ |
| s5 = vsha512su1q_u64( vsha512su0q_u64( s5, s6 ), s4, vextq_u64( s1, s2, 1 ) ); |
| initial_sum = vaddq_u64( s5, vld1q_u64( &K[t + 10] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ef ); |
| intermed = vsha512hq_u64( sum, vextq_u64( cd, ef, 1 ), vextq_u64( ab, cd, 1 ) ); |
| ef = vsha512h2q_u64( intermed, ab, gh ); |
| ab = vaddq_u64( ab, intermed ); |
| |
| /* Rounds t + 12 and t + 13 */ |
| s6 = vsha512su1q_u64( vsha512su0q_u64( s6, s7 ), s5, vextq_u64( s2, s3, 1 ) ); |
| initial_sum = vaddq_u64( s6, vld1q_u64( &K[t + 12] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), cd ); |
| intermed = vsha512hq_u64( sum, vextq_u64( ab, cd, 1 ), vextq_u64( gh, ab, 1 ) ); |
| cd = vsha512h2q_u64( intermed, gh, ef ); |
| gh = vaddq_u64( gh, intermed ); |
| |
| /* Rounds t + 14 and t + 15 */ |
| s7 = vsha512su1q_u64( vsha512su0q_u64( s7, s0 ), s6, vextq_u64( s3, s4, 1 ) ); |
| initial_sum = vaddq_u64( s7, vld1q_u64( &K[t + 14] ) ); |
| sum = vaddq_u64( vextq_u64( initial_sum, initial_sum, 1 ), ab ); |
| intermed = vsha512hq_u64( sum, vextq_u64( gh, ab, 1 ), vextq_u64( ef, gh, 1 ) ); |
| ab = vsha512h2q_u64( intermed, ef, cd ); |
| ef = vaddq_u64( ef, intermed ); |
| } |
| |
| ab = vaddq_u64( ab, ab_orig ); |
| cd = vaddq_u64( cd, cd_orig ); |
| ef = vaddq_u64( ef, ef_orig ); |
| gh = vaddq_u64( gh, gh_orig ); |
| } |
| |
| vst1q_u64( &ctx->state[0], ab ); |
| vst1q_u64( &ctx->state[2], cd ); |
| vst1q_u64( &ctx->state[4], ef ); |
| vst1q_u64( &ctx->state[6], gh ); |
| |
| return( processed ); |
| } |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| /* |
| * This function is for internal use only if we are building both C and A64 |
| * versions, otherwise it is renamed to be the public mbedtls_internal_sha512_process() |
| */ |
| static |
| #endif |
| int mbedtls_internal_sha512_process_a64_crypto( mbedtls_sha512_context *ctx, |
| const unsigned char data[SHA512_BLOCK_SIZE] ) |
| { |
| return( mbedtls_internal_sha512_process_many_a64_crypto( ctx, data, |
| SHA512_BLOCK_SIZE ) == SHA512_BLOCK_SIZE ) ? 0 : -1; |
| } |
| |
| #endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT || MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */ |
| |
| |
| #if !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| #define mbedtls_internal_sha512_process_many_c mbedtls_internal_sha512_process_many |
| #define mbedtls_internal_sha512_process_c mbedtls_internal_sha512_process |
| #endif |
| |
| |
| #if !defined(MBEDTLS_SHA512_PROCESS_ALT) && !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| /* |
| * This function is for internal use only if we are building both C and A64 |
| * versions, otherwise it is renamed to be the public mbedtls_internal_sha512_process() |
| */ |
| static |
| #endif |
| int mbedtls_internal_sha512_process_c( mbedtls_sha512_context *ctx, |
| const unsigned char data[SHA512_BLOCK_SIZE] ) |
| { |
| int i; |
| struct |
| { |
| uint64_t temp1, temp2, W[80]; |
| uint64_t A[8]; |
| } local; |
| |
| SHA512_VALIDATE_RET( ctx != NULL ); |
| SHA512_VALIDATE_RET( (const unsigned char *)data != NULL ); |
| |
| #define SHR(x,n) ((x) >> (n)) |
| #define ROTR(x,n) (SHR((x),(n)) | ((x) << (64 - (n)))) |
| |
| #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7)) |
| #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6)) |
| |
| #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39)) |
| #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41)) |
| |
| #define F0(x,y,z) (((x) & (y)) | ((z) & ((x) | (y)))) |
| #define F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z)))) |
| |
| #define P(a,b,c,d,e,f,g,h,x,K) \ |
| do \ |
| { \ |
| local.temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \ |
| local.temp2 = S2(a) + F0((a),(b),(c)); \ |
| (d) += local.temp1; (h) = local.temp1 + local.temp2; \ |
| } while( 0 ) |
| |
| for( i = 0; i < 8; i++ ) |
| local.A[i] = ctx->state[i]; |
| |
| #if defined(MBEDTLS_SHA512_SMALLER) |
| for( i = 0; i < 80; i++ ) |
| { |
| if( i < 16 ) |
| { |
| local.W[i] = MBEDTLS_GET_UINT64_BE( data, i << 3 ); |
| } |
| else |
| { |
| local.W[i] = S1(local.W[i - 2]) + local.W[i - 7] + |
| S0(local.W[i - 15]) + local.W[i - 16]; |
| } |
| |
| P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], |
| local.A[5], local.A[6], local.A[7], local.W[i], K[i] ); |
| |
| local.temp1 = local.A[7]; local.A[7] = local.A[6]; |
| local.A[6] = local.A[5]; local.A[5] = local.A[4]; |
| local.A[4] = local.A[3]; local.A[3] = local.A[2]; |
| local.A[2] = local.A[1]; local.A[1] = local.A[0]; |
| local.A[0] = local.temp1; |
| } |
| #else /* MBEDTLS_SHA512_SMALLER */ |
| for( i = 0; i < 16; i++ ) |
| { |
| local.W[i] = MBEDTLS_GET_UINT64_BE( data, i << 3 ); |
| } |
| |
| for( ; i < 80; i++ ) |
| { |
| local.W[i] = S1(local.W[i - 2]) + local.W[i - 7] + |
| S0(local.W[i - 15]) + local.W[i - 16]; |
| } |
| |
| i = 0; |
| do |
| { |
| P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], |
| local.A[5], local.A[6], local.A[7], local.W[i], K[i] ); i++; |
| P( local.A[7], local.A[0], local.A[1], local.A[2], local.A[3], |
| local.A[4], local.A[5], local.A[6], local.W[i], K[i] ); i++; |
| P( local.A[6], local.A[7], local.A[0], local.A[1], local.A[2], |
| local.A[3], local.A[4], local.A[5], local.W[i], K[i] ); i++; |
| P( local.A[5], local.A[6], local.A[7], local.A[0], local.A[1], |
| local.A[2], local.A[3], local.A[4], local.W[i], K[i] ); i++; |
| P( local.A[4], local.A[5], local.A[6], local.A[7], local.A[0], |
| local.A[1], local.A[2], local.A[3], local.W[i], K[i] ); i++; |
| P( local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], |
| local.A[0], local.A[1], local.A[2], local.W[i], K[i] ); i++; |
| P( local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], |
| local.A[7], local.A[0], local.A[1], local.W[i], K[i] ); i++; |
| P( local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], |
| local.A[6], local.A[7], local.A[0], local.W[i], K[i] ); i++; |
| } |
| while( i < 80 ); |
| #endif /* MBEDTLS_SHA512_SMALLER */ |
| |
| for( i = 0; i < 8; i++ ) |
| ctx->state[i] += local.A[i]; |
| |
| /* Zeroise buffers and variables to clear sensitive data from memory. */ |
| mbedtls_platform_zeroize( &local, sizeof( local ) ); |
| |
| return( 0 ); |
| } |
| |
| #endif /* !MBEDTLS_SHA512_PROCESS_ALT && !MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */ |
| |
| |
| #if !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY) |
| |
| static size_t mbedtls_internal_sha512_process_many_c( |
| mbedtls_sha512_context *ctx, const uint8_t *data, size_t len) |
| { |
| size_t processed = 0; |
| |
| while( len >= SHA512_BLOCK_SIZE ) |
| { |
| if( mbedtls_internal_sha512_process_c( ctx, data ) != 0) |
| return( 0 ); |
| |
| data += SHA512_BLOCK_SIZE; |
| len -= SHA512_BLOCK_SIZE; |
| |
| processed += SHA512_BLOCK_SIZE; |
| } |
| |
| return( processed ); |
| } |
| |
| #endif /* !MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY */ |
| |
| |
| #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) |
| |
| static int mbedtls_a64_crypto_sha512_has_support( void ) |
| { |
| static int done = 0; |
| static int supported = 0; |
| |
| if( !done ) |
| { |
| supported = mbedtls_a64_crypto_sha512_determine_support(); |
| done = 1; |
| } |
| |
| return( supported ); |
| } |
| |
| static size_t mbedtls_internal_sha512_process_many( mbedtls_sha512_context *ctx, |
| const uint8_t *msg, size_t len ) |
| { |
| if( mbedtls_a64_crypto_sha512_has_support() ) |
| return( mbedtls_internal_sha512_process_many_a64_crypto( ctx, msg, len ) ); |
| else |
| return( mbedtls_internal_sha512_process_many_c( ctx, msg, len ) ); |
| } |
| |
| int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, |
| const unsigned char data[SHA512_BLOCK_SIZE] ) |
| { |
| if( mbedtls_a64_crypto_sha512_has_support() ) |
| return( mbedtls_internal_sha512_process_a64_crypto( ctx, data ) ); |
| else |
| return( mbedtls_internal_sha512_process_c( ctx, data ) ); |
| } |
| |
| #endif /* MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT */ |
| |
| /* |
| * SHA-512 process buffer |
| */ |
| int mbedtls_sha512_update( mbedtls_sha512_context *ctx, |
| const unsigned char *input, |
| size_t ilen ) |
| { |
| int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; |
| size_t fill; |
| unsigned int left; |
| |
| SHA512_VALIDATE_RET( ctx != NULL ); |
| SHA512_VALIDATE_RET( ilen == 0 || input != NULL ); |
| |
| if( ilen == 0 ) |
| return( 0 ); |
| |
| left = (unsigned int) (ctx->total[0] & 0x7F); |
| fill = SHA512_BLOCK_SIZE - left; |
| |
| ctx->total[0] += (uint64_t) ilen; |
| |
| if( ctx->total[0] < (uint64_t) ilen ) |
| ctx->total[1]++; |
| |
| if( left && ilen >= fill ) |
| { |
| memcpy( (void *) (ctx->buffer + left), input, fill ); |
| |
| if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) |
| return( ret ); |
| |
| input += fill; |
| ilen -= fill; |
| left = 0; |
| } |
| |
| while( ilen >= SHA512_BLOCK_SIZE ) |
| { |
| size_t processed = |
| mbedtls_internal_sha512_process_many( ctx, input, ilen ); |
| if( processed < SHA512_BLOCK_SIZE ) |
| return( MBEDTLS_ERR_ERROR_GENERIC_ERROR ); |
| |
| input += processed; |
| ilen -= processed; |
| } |
| |
| if( ilen > 0 ) |
| memcpy( (void *) (ctx->buffer + left), input, ilen ); |
| |
| return( 0 ); |
| } |
| |
| /* |
| * SHA-512 final digest |
| */ |
| int mbedtls_sha512_finish( mbedtls_sha512_context *ctx, |
| unsigned char *output ) |
| { |
| int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; |
| unsigned used; |
| uint64_t high, low; |
| |
| SHA512_VALIDATE_RET( ctx != NULL ); |
| SHA512_VALIDATE_RET( (unsigned char *)output != NULL ); |
| |
| /* |
| * Add padding: 0x80 then 0x00 until 16 bytes remain for the length |
| */ |
| used = ctx->total[0] & 0x7F; |
| |
| ctx->buffer[used++] = 0x80; |
| |
| if( used <= 112 ) |
| { |
| /* Enough room for padding + length in current block */ |
| memset( ctx->buffer + used, 0, 112 - used ); |
| } |
| else |
| { |
| /* We'll need an extra block */ |
| memset( ctx->buffer + used, 0, SHA512_BLOCK_SIZE - used ); |
| |
| if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) |
| return( ret ); |
| |
| memset( ctx->buffer, 0, 112 ); |
| } |
| |
| /* |
| * Add message length |
| */ |
| high = ( ctx->total[0] >> 61 ) |
| | ( ctx->total[1] << 3 ); |
| low = ( ctx->total[0] << 3 ); |
| |
| sha512_put_uint64_be( high, ctx->buffer, 112 ); |
| sha512_put_uint64_be( low, ctx->buffer, 120 ); |
| |
| if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) |
| return( ret ); |
| |
| /* |
| * Output final state |
| */ |
| sha512_put_uint64_be( ctx->state[0], output, 0 ); |
| sha512_put_uint64_be( ctx->state[1], output, 8 ); |
| sha512_put_uint64_be( ctx->state[2], output, 16 ); |
| sha512_put_uint64_be( ctx->state[3], output, 24 ); |
| sha512_put_uint64_be( ctx->state[4], output, 32 ); |
| sha512_put_uint64_be( ctx->state[5], output, 40 ); |
| |
| #if defined(MBEDTLS_SHA384_C) |
| if( ctx->is384 == 0 ) |
| #endif |
| { |
| sha512_put_uint64_be( ctx->state[6], output, 48 ); |
| sha512_put_uint64_be( ctx->state[7], output, 56 ); |
| } |
| |
| return( 0 ); |
| } |
| |
| #endif /* !MBEDTLS_SHA512_ALT */ |
| |
| /* |
| * output = SHA-512( input buffer ) |
| */ |
| int mbedtls_sha512( const unsigned char *input, |
| size_t ilen, |
| unsigned char *output, |
| int is384 ) |
| { |
| int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; |
| mbedtls_sha512_context ctx; |
| |
| #if defined(MBEDTLS_SHA384_C) |
| SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 ); |
| #else |
| SHA512_VALIDATE_RET( is384 == 0 ); |
| #endif |
| SHA512_VALIDATE_RET( ilen == 0 || input != NULL ); |
| SHA512_VALIDATE_RET( (unsigned char *)output != NULL ); |
| |
| mbedtls_sha512_init( &ctx ); |
| |
| if( ( ret = mbedtls_sha512_starts( &ctx, is384 ) ) != 0 ) |
| goto exit; |
| |
| if( ( ret = mbedtls_sha512_update( &ctx, input, ilen ) ) != 0 ) |
| goto exit; |
| |
| if( ( ret = mbedtls_sha512_finish( &ctx, output ) ) != 0 ) |
| goto exit; |
| |
| exit: |
| mbedtls_sha512_free( &ctx ); |
| |
| return( ret ); |
| } |
| |
| #if defined(MBEDTLS_SELF_TEST) |
| |
| /* |
| * FIPS-180-2 test vectors |
| */ |
| static const unsigned char sha512_test_buf[3][113] = |
| { |
| { "abc" }, |
| { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }, |
| { "" } |
| }; |
| |
| static const size_t sha512_test_buflen[3] = |
| { |
| 3, 112, 1000 |
| }; |
| |
| static const unsigned char sha512_test_sum[][64] = |
| { |
| #if defined(MBEDTLS_SHA384_C) |
| /* |
| * SHA-384 test vectors |
| */ |
| { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B, |
| 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07, |
| 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63, |
| 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED, |
| 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23, |
| 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 }, |
| { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8, |
| 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47, |
| 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2, |
| 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12, |
| 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9, |
| 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 }, |
| { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB, |
| 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C, |
| 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52, |
| 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B, |
| 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB, |
| 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 }, |
| #endif /* MBEDTLS_SHA384_C */ |
| |
| /* |
| * SHA-512 test vectors |
| */ |
| { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA, |
| 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31, |
| 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2, |
| 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A, |
| 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8, |
| 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD, |
| 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E, |
| 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F }, |
| { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA, |
| 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F, |
| 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1, |
| 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18, |
| 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4, |
| 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A, |
| 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54, |
| 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 }, |
| { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64, |
| 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63, |
| 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28, |
| 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB, |
| 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A, |
| 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B, |
| 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E, |
| 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B } |
| }; |
| |
| #define ARRAY_LENGTH( a ) ( sizeof( a ) / sizeof( ( a )[0] ) ) |
| |
| /* |
| * Checkup routine |
| */ |
| int mbedtls_sha512_self_test( int verbose ) |
| { |
| int i, j, k, buflen, ret = 0; |
| unsigned char *buf; |
| unsigned char sha512sum[64]; |
| mbedtls_sha512_context ctx; |
| |
| buf = mbedtls_calloc( 1024, sizeof(unsigned char) ); |
| if( NULL == buf ) |
| { |
| if( verbose != 0 ) |
| mbedtls_printf( "Buffer allocation failed\n" ); |
| |
| return( 1 ); |
| } |
| |
| mbedtls_sha512_init( &ctx ); |
| |
| for( i = 0; i < (int) ARRAY_LENGTH(sha512_test_sum); i++ ) |
| { |
| j = i % 3; |
| #if defined(MBEDTLS_SHA384_C) |
| k = i < 3; |
| #else |
| k = 0; |
| #endif |
| |
| if( verbose != 0 ) |
| mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 ); |
| |
| if( ( ret = mbedtls_sha512_starts( &ctx, k ) ) != 0 ) |
| goto fail; |
| |
| if( j == 2 ) |
| { |
| memset( buf, 'a', buflen = 1000 ); |
| |
| for( j = 0; j < 1000; j++ ) |
| { |
| ret = mbedtls_sha512_update( &ctx, buf, buflen ); |
| if( ret != 0 ) |
| goto fail; |
| } |
| } |
| else |
| { |
| ret = mbedtls_sha512_update( &ctx, sha512_test_buf[j], |
| sha512_test_buflen[j] ); |
| if( ret != 0 ) |
| goto fail; |
| } |
| |
| if( ( ret = mbedtls_sha512_finish( &ctx, sha512sum ) ) != 0 ) |
| goto fail; |
| |
| if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 ) |
| { |
| ret = 1; |
| goto fail; |
| } |
| |
| if( verbose != 0 ) |
| mbedtls_printf( "passed\n" ); |
| } |
| |
| if( verbose != 0 ) |
| mbedtls_printf( "\n" ); |
| |
| goto exit; |
| |
| fail: |
| if( verbose != 0 ) |
| mbedtls_printf( "failed\n" ); |
| |
| exit: |
| mbedtls_sha512_free( &ctx ); |
| mbedtls_free( buf ); |
| |
| return( ret ); |
| } |
| |
| #undef ARRAY_LENGTH |
| |
| #endif /* MBEDTLS_SELF_TEST */ |
| |
| #endif /* MBEDTLS_SHA512_C */ |
