summaryrefslogtreecommitdiff
path: root/thirdparty/mbedtls/library/md4.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/mbedtls/library/md4.c')
-rw-r--r--thirdparty/mbedtls/library/md4.c188
1 files changed, 109 insertions, 79 deletions
diff --git a/thirdparty/mbedtls/library/md4.c b/thirdparty/mbedtls/library/md4.c
index 828fd42999..9a825327f4 100644
--- a/thirdparty/mbedtls/library/md4.c
+++ b/thirdparty/mbedtls/library/md4.c
@@ -1,8 +1,14 @@
/*
* RFC 1186/1320 compliant MD4 implementation
*
- * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- * SPDX-License-Identifier: Apache-2.0
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ *
+ * This file is provided under the Apache License 2.0, or the
+ * GNU General Public License v2.0 or later.
+ *
+ * **********
+ * Apache License 2.0:
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
@@ -16,7 +22,26 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*
- * This file is part of mbed TLS (https://tls.mbed.org)
+ * **********
+ *
+ * **********
+ * GNU General Public License v2.0 or later:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * **********
*/
/*
* The MD4 algorithm was designed by Ron Rivest in 1990.
@@ -118,31 +143,34 @@ void mbedtls_md4_starts( mbedtls_md4_context *ctx )
int mbedtls_internal_md4_process( mbedtls_md4_context *ctx,
const unsigned char data[64] )
{
- uint32_t X[16], A, B, C, D;
-
- GET_UINT32_LE( X[ 0], data, 0 );
- GET_UINT32_LE( X[ 1], data, 4 );
- GET_UINT32_LE( X[ 2], data, 8 );
- GET_UINT32_LE( X[ 3], data, 12 );
- GET_UINT32_LE( X[ 4], data, 16 );
- GET_UINT32_LE( X[ 5], data, 20 );
- GET_UINT32_LE( X[ 6], data, 24 );
- GET_UINT32_LE( X[ 7], data, 28 );
- GET_UINT32_LE( X[ 8], data, 32 );
- GET_UINT32_LE( X[ 9], data, 36 );
- GET_UINT32_LE( X[10], data, 40 );
- GET_UINT32_LE( X[11], data, 44 );
- GET_UINT32_LE( X[12], data, 48 );
- GET_UINT32_LE( X[13], data, 52 );
- GET_UINT32_LE( X[14], data, 56 );
- GET_UINT32_LE( X[15], data, 60 );
+ struct
+ {
+ uint32_t X[16], A, B, C, D;
+ } local;
+
+ GET_UINT32_LE( local.X[ 0], data, 0 );
+ GET_UINT32_LE( local.X[ 1], data, 4 );
+ GET_UINT32_LE( local.X[ 2], data, 8 );
+ GET_UINT32_LE( local.X[ 3], data, 12 );
+ GET_UINT32_LE( local.X[ 4], data, 16 );
+ GET_UINT32_LE( local.X[ 5], data, 20 );
+ GET_UINT32_LE( local.X[ 6], data, 24 );
+ GET_UINT32_LE( local.X[ 7], data, 28 );
+ GET_UINT32_LE( local.X[ 8], data, 32 );
+ GET_UINT32_LE( local.X[ 9], data, 36 );
+ GET_UINT32_LE( local.X[10], data, 40 );
+ GET_UINT32_LE( local.X[11], data, 44 );
+ GET_UINT32_LE( local.X[12], data, 48 );
+ GET_UINT32_LE( local.X[13], data, 52 );
+ GET_UINT32_LE( local.X[14], data, 56 );
+ GET_UINT32_LE( local.X[15], data, 60 );
#define S(x,n) (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n))))
- A = ctx->state[0];
- B = ctx->state[1];
- C = ctx->state[2];
- D = ctx->state[3];
+ local.A = ctx->state[0];
+ local.B = ctx->state[1];
+ local.C = ctx->state[2];
+ local.D = ctx->state[3];
#define F(x, y, z) (((x) & (y)) | ((~(x)) & (z)))
#define P(a,b,c,d,x,s) \
@@ -153,22 +181,22 @@ int mbedtls_internal_md4_process( mbedtls_md4_context *ctx,
} while( 0 )
- P( A, B, C, D, X[ 0], 3 );
- P( D, A, B, C, X[ 1], 7 );
- P( C, D, A, B, X[ 2], 11 );
- P( B, C, D, A, X[ 3], 19 );
- P( A, B, C, D, X[ 4], 3 );
- P( D, A, B, C, X[ 5], 7 );
- P( C, D, A, B, X[ 6], 11 );
- P( B, C, D, A, X[ 7], 19 );
- P( A, B, C, D, X[ 8], 3 );
- P( D, A, B, C, X[ 9], 7 );
- P( C, D, A, B, X[10], 11 );
- P( B, C, D, A, X[11], 19 );
- P( A, B, C, D, X[12], 3 );
- P( D, A, B, C, X[13], 7 );
- P( C, D, A, B, X[14], 11 );
- P( B, C, D, A, X[15], 19 );
+ P( local.A, local.B, local.C, local.D, local.X[ 0], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 1], 7 );
+ P( local.C, local.D, local.A, local.B, local.X[ 2], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[ 3], 19 );
+ P( local.A, local.B, local.C, local.D, local.X[ 4], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 5], 7 );
+ P( local.C, local.D, local.A, local.B, local.X[ 6], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[ 7], 19 );
+ P( local.A, local.B, local.C, local.D, local.X[ 8], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 9], 7 );
+ P( local.C, local.D, local.A, local.B, local.X[10], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[11], 19 );
+ P( local.A, local.B, local.C, local.D, local.X[12], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[13], 7 );
+ P( local.C, local.D, local.A, local.B, local.X[14], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[15], 19 );
#undef P
#undef F
@@ -181,22 +209,22 @@ int mbedtls_internal_md4_process( mbedtls_md4_context *ctx,
(a) = S((a),(s)); \
} while( 0 )
- P( A, B, C, D, X[ 0], 3 );
- P( D, A, B, C, X[ 4], 5 );
- P( C, D, A, B, X[ 8], 9 );
- P( B, C, D, A, X[12], 13 );
- P( A, B, C, D, X[ 1], 3 );
- P( D, A, B, C, X[ 5], 5 );
- P( C, D, A, B, X[ 9], 9 );
- P( B, C, D, A, X[13], 13 );
- P( A, B, C, D, X[ 2], 3 );
- P( D, A, B, C, X[ 6], 5 );
- P( C, D, A, B, X[10], 9 );
- P( B, C, D, A, X[14], 13 );
- P( A, B, C, D, X[ 3], 3 );
- P( D, A, B, C, X[ 7], 5 );
- P( C, D, A, B, X[11], 9 );
- P( B, C, D, A, X[15], 13 );
+ P( local.A, local.B, local.C, local.D, local.X[ 0], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 4], 5 );
+ P( local.C, local.D, local.A, local.B, local.X[ 8], 9 );
+ P( local.B, local.C, local.D, local.A, local.X[12], 13 );
+ P( local.A, local.B, local.C, local.D, local.X[ 1], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 5], 5 );
+ P( local.C, local.D, local.A, local.B, local.X[ 9], 9 );
+ P( local.B, local.C, local.D, local.A, local.X[13], 13 );
+ P( local.A, local.B, local.C, local.D, local.X[ 2], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 6], 5 );
+ P( local.C, local.D, local.A, local.B, local.X[10], 9 );
+ P( local.B, local.C, local.D, local.A, local.X[14], 13 );
+ P( local.A, local.B, local.C, local.D, local.X[ 3], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 7], 5 );
+ P( local.C, local.D, local.A, local.B, local.X[11], 9 );
+ P( local.B, local.C, local.D, local.A, local.X[15], 13 );
#undef P
#undef F
@@ -209,30 +237,33 @@ int mbedtls_internal_md4_process( mbedtls_md4_context *ctx,
(a) = S((a),(s)); \
} while( 0 )
- P( A, B, C, D, X[ 0], 3 );
- P( D, A, B, C, X[ 8], 9 );
- P( C, D, A, B, X[ 4], 11 );
- P( B, C, D, A, X[12], 15 );
- P( A, B, C, D, X[ 2], 3 );
- P( D, A, B, C, X[10], 9 );
- P( C, D, A, B, X[ 6], 11 );
- P( B, C, D, A, X[14], 15 );
- P( A, B, C, D, X[ 1], 3 );
- P( D, A, B, C, X[ 9], 9 );
- P( C, D, A, B, X[ 5], 11 );
- P( B, C, D, A, X[13], 15 );
- P( A, B, C, D, X[ 3], 3 );
- P( D, A, B, C, X[11], 9 );
- P( C, D, A, B, X[ 7], 11 );
- P( B, C, D, A, X[15], 15 );
+ P( local.A, local.B, local.C, local.D, local.X[ 0], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 8], 9 );
+ P( local.C, local.D, local.A, local.B, local.X[ 4], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[12], 15 );
+ P( local.A, local.B, local.C, local.D, local.X[ 2], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[10], 9 );
+ P( local.C, local.D, local.A, local.B, local.X[ 6], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[14], 15 );
+ P( local.A, local.B, local.C, local.D, local.X[ 1], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[ 9], 9 );
+ P( local.C, local.D, local.A, local.B, local.X[ 5], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[13], 15 );
+ P( local.A, local.B, local.C, local.D, local.X[ 3], 3 );
+ P( local.D, local.A, local.B, local.C, local.X[11], 9 );
+ P( local.C, local.D, local.A, local.B, local.X[ 7], 11 );
+ P( local.B, local.C, local.D, local.A, local.X[15], 15 );
#undef F
#undef P
- ctx->state[0] += A;
- ctx->state[1] += B;
- ctx->state[2] += C;
- ctx->state[3] += D;
+ ctx->state[0] += local.A;
+ ctx->state[1] += local.B;
+ ctx->state[2] += local.C;
+ ctx->state[3] += local.D;
+
+ /* Zeroise variables to clear sensitive data from memory. */
+ mbedtls_platform_zeroize( &local, sizeof( local ) );
return( 0 );
}
@@ -413,8 +444,7 @@ static const unsigned char md4_test_str[7][81] =
{ "message digest" },
{ "abcdefghijklmnopqrstuvwxyz" },
{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
- { "12345678901234567890123456789012345678901234567890123456789012"
- "345678901234567890" }
+ { "12345678901234567890123456789012345678901234567890123456789012345678901234567890" }
};
static const size_t md4_test_strlen[7] =
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-18 12:18:16 +0000