early-access version 1503
This commit is contained in:
147
externals/mbedtls/library/sha512.c
vendored
147
externals/mbedtls/library/sha512.c
vendored
@@ -1,8 +1,31 @@
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/*
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* FIPS-180-2 compliant SHA-384/512 implementation
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*
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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 2.0:
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -18,7 +41,7 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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* **********
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*/
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/*
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* The SHA-512 Secure Hash Standard was published by NIST in 2002.
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@@ -57,6 +80,10 @@
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#endif /* MBEDTLS_PLATFORM_C */
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#endif /* MBEDTLS_SELF_TEST */
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#define SHA512_VALIDATE_RET(cond) \
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MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA512_BAD_INPUT_DATA )
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#define SHA512_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )
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#if !defined(MBEDTLS_SHA512_ALT)
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/*
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@@ -92,6 +119,8 @@
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void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
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{
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SHA512_VALIDATE( ctx != NULL );
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memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
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}
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@@ -106,6 +135,9 @@ void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
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void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
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const mbedtls_sha512_context *src )
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{
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SHA512_VALIDATE( dst != NULL );
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SHA512_VALIDATE( src != NULL );
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*dst = *src;
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}
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@@ -114,6 +146,9 @@ void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
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*/
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int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
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{
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SHA512_VALIDATE_RET( ctx != NULL );
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SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 );
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ctx->total[0] = 0;
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ctx->total[1] = 0;
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@@ -208,11 +243,17 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
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const unsigned char data[128] )
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{
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int i;
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uint64_t temp1, temp2, W[80];
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uint64_t A, B, C, D, E, F, G, H;
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struct
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{
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uint64_t temp1, temp2, W[80];
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uint64_t A, B, C, D, E, F, G, H;
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} local;
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#define SHR(x,n) (x >> n)
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#define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
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SHA512_VALIDATE_RET( ctx != NULL );
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SHA512_VALIDATE_RET( (const unsigned char *)data != NULL );
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#define SHR(x,n) ((x) >> (n))
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#define ROTR(x,n) (SHR((x),(n)) | ((x) << (64 - (n))))
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#define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
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#define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
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@@ -220,58 +261,70 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
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#define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
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#define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
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#define F0(x,y,z) ((x & y) | (z & (x | y)))
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#define F1(x,y,z) (z ^ (x & (y ^ z)))
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#define F0(x,y,z) (((x) & (y)) | ((z) & ((x) | (y))))
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#define F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
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#define P(a,b,c,d,e,f,g,h,x,K) \
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{ \
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temp1 = h + S3(e) + F1(e,f,g) + K + x; \
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temp2 = S2(a) + F0(a,b,c); \
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d += temp1; h = temp1 + temp2; \
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}
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#define P(a,b,c,d,e,f,g,h,x,K) \
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do \
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{ \
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local.temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \
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local.temp2 = S2(a) + F0((a),(b),(c)); \
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(d) += local.temp1; (h) = local.temp1 + local.temp2; \
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} while( 0 )
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for( i = 0; i < 16; i++ )
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{
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GET_UINT64_BE( W[i], data, i << 3 );
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GET_UINT64_BE( local.W[i], data, i << 3 );
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}
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for( ; i < 80; i++ )
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{
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W[i] = S1(W[i - 2]) + W[i - 7] +
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S0(W[i - 15]) + W[i - 16];
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local.W[i] = S1(local.W[i - 2]) + local.W[i - 7] +
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S0(local.W[i - 15]) + local.W[i - 16];
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}
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A = ctx->state[0];
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B = ctx->state[1];
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C = ctx->state[2];
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D = ctx->state[3];
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E = ctx->state[4];
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F = ctx->state[5];
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G = ctx->state[6];
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H = ctx->state[7];
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local.A = ctx->state[0];
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local.B = ctx->state[1];
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local.C = ctx->state[2];
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local.D = ctx->state[3];
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local.E = ctx->state[4];
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local.F = ctx->state[5];
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local.G = ctx->state[6];
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local.H = ctx->state[7];
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i = 0;
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do
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{
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P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
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P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
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P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
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P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
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P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
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P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
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P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
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P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
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P( local.A, local.B, local.C, local.D, local.E,
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local.F, local.G, local.H, local.W[i], K[i] ); i++;
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P( local.H, local.A, local.B, local.C, local.D,
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local.E, local.F, local.G, local.W[i], K[i] ); i++;
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P( local.G, local.H, local.A, local.B, local.C,
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local.D, local.E, local.F, local.W[i], K[i] ); i++;
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P( local.F, local.G, local.H, local.A, local.B,
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local.C, local.D, local.E, local.W[i], K[i] ); i++;
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P( local.E, local.F, local.G, local.H, local.A,
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local.B, local.C, local.D, local.W[i], K[i] ); i++;
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P( local.D, local.E, local.F, local.G, local.H,
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local.A, local.B, local.C, local.W[i], K[i] ); i++;
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P( local.C, local.D, local.E, local.F, local.G,
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local.H, local.A, local.B, local.W[i], K[i] ); i++;
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P( local.B, local.C, local.D, local.E, local.F,
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local.G, local.H, local.A, local.W[i], K[i] ); i++;
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}
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while( i < 80 );
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ctx->state[0] += A;
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ctx->state[1] += B;
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ctx->state[2] += C;
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ctx->state[3] += D;
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ctx->state[4] += E;
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ctx->state[5] += F;
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ctx->state[6] += G;
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ctx->state[7] += H;
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ctx->state[0] += local.A;
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ctx->state[1] += local.B;
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ctx->state[2] += local.C;
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ctx->state[3] += local.D;
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ctx->state[4] += local.E;
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ctx->state[5] += local.F;
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ctx->state[6] += local.G;
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ctx->state[7] += local.H;
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/* Zeroise buffers and variables to clear sensitive data from memory. */
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mbedtls_platform_zeroize( &local, sizeof( local ) );
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return( 0 );
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}
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@@ -296,6 +349,9 @@ int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
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size_t fill;
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unsigned int left;
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SHA512_VALIDATE_RET( ctx != NULL );
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SHA512_VALIDATE_RET( ilen == 0 || input != NULL );
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if( ilen == 0 )
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return( 0 );
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@@ -353,6 +409,9 @@ int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
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unsigned used;
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uint64_t high, low;
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SHA512_VALIDATE_RET( ctx != NULL );
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SHA512_VALIDATE_RET( (unsigned char *)output != NULL );
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/*
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* Add padding: 0x80 then 0x00 until 16 bytes remain for the length
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*/
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@@ -429,6 +488,10 @@ int mbedtls_sha512_ret( const unsigned char *input,
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int ret;
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mbedtls_sha512_context ctx;
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SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 );
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SHA512_VALIDATE_RET( ilen == 0 || input != NULL );
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SHA512_VALIDATE_RET( (unsigned char *)output != NULL );
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mbedtls_sha512_init( &ctx );
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if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 )
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