Squashed commit upgrading to mbedtls-2.16.0
Squash merging branch import/mbedtls-2.16.0
9ee2a92de51f ("libmbedtls: compile new files added with 2.16.0")
9b0818d48d29 ("mbedtls: fix memory leak in mpi_miller_rabin()")
2d6644ee0bbe ("libmedtls: mpi_miller_rabin: increase count limit")
d831db4c238a ("libmbedtls: add mbedtls_mpi_init_mempool()")
df0f4886b663 ("libmbedtls: make mbedtls_mpi_mont*() available")
7b0792062b65 ("libmbedtls: refine mbedtls license header")
2616e2d9709f ("mbedtls: configure mbedtls to reach for config")
d686ab1c51b7 ("mbedtls: remove default include/mbedtls/config.h")
50a57cfac892 ("Import mbedtls-2.16.0")
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/md2.c b/lib/libmbedtls/mbedtls/library/md2.c
index 3ccaf5c..f30086a 100644
--- a/lib/libmbedtls/mbedtls/library/md2.c
+++ b/lib/libmbedtls/mbedtls/library/md2.c
@@ -34,6 +34,7 @@
#if defined(MBEDTLS_MD2_C)
#include "mbedtls/md2.h"
+#include "mbedtls/platform_util.h"
#include <string.h>
@@ -48,11 +49,6 @@
#if !defined(MBEDTLS_MD2_ALT)
-/* Implementation that should never be optimized out by the compiler */
-static void mbedtls_zeroize( void *v, size_t n ) {
- volatile unsigned char *p = v; while( n-- ) *p++ = 0;
-}
-
static const unsigned char PI_SUBST[256] =
{
0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,
@@ -93,7 +89,7 @@
if( ctx == NULL )
return;
- mbedtls_zeroize( ctx, sizeof( mbedtls_md2_context ) );
+ mbedtls_platform_zeroize( ctx, sizeof( mbedtls_md2_context ) );
}
void mbedtls_md2_clone( mbedtls_md2_context *dst,
@@ -105,16 +101,25 @@
/*
* MD2 context setup
*/
-void mbedtls_md2_starts( mbedtls_md2_context *ctx )
+int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx )
{
memset( ctx->cksum, 0, 16 );
memset( ctx->state, 0, 46 );
memset( ctx->buffer, 0, 16 );
ctx->left = 0;
+
+ return( 0 );
}
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_md2_starts( mbedtls_md2_context *ctx )
+{
+ mbedtls_md2_starts_ret( ctx );
+}
+#endif
+
#if !defined(MBEDTLS_MD2_PROCESS_ALT)
-void mbedtls_md2_process( mbedtls_md2_context *ctx )
+int mbedtls_internal_md2_process( mbedtls_md2_context *ctx )
{
int i, j;
unsigned char t = 0;
@@ -146,14 +151,26 @@
( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] );
t = ctx->cksum[i];
}
+
+ return( 0 );
}
+
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_md2_process( mbedtls_md2_context *ctx )
+{
+ mbedtls_internal_md2_process( ctx );
+}
+#endif
#endif /* !MBEDTLS_MD2_PROCESS_ALT */
/*
* MD2 process buffer
*/
-void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen )
+int mbedtls_md2_update_ret( mbedtls_md2_context *ctx,
+ const unsigned char *input,
+ size_t ilen )
{
+ int ret;
size_t fill;
while( ilen > 0 )
@@ -172,16 +189,30 @@
if( ctx->left == 16 )
{
ctx->left = 0;
- mbedtls_md2_process( ctx );
+ if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
+ return( ret );
}
}
+
+ return( 0 );
}
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_md2_update( mbedtls_md2_context *ctx,
+ const unsigned char *input,
+ size_t ilen )
+{
+ mbedtls_md2_update_ret( ctx, input, ilen );
+}
+#endif
+
/*
* MD2 final digest
*/
-void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] )
+int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx,
+ unsigned char output[16] )
{
+ int ret;
size_t i;
unsigned char x;
@@ -190,36 +221,70 @@
for( i = ctx->left; i < 16; i++ )
ctx->buffer[i] = x;
- mbedtls_md2_process( ctx );
+ if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
+ return( ret );
memcpy( ctx->buffer, ctx->cksum, 16 );
- mbedtls_md2_process( ctx );
+ if( ( ret = mbedtls_internal_md2_process( ctx ) ) != 0 )
+ return( ret );
memcpy( output, ctx->state, 16 );
+
+ return( 0 );
}
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_md2_finish( mbedtls_md2_context *ctx,
+ unsigned char output[16] )
+{
+ mbedtls_md2_finish_ret( ctx, output );
+}
+#endif
+
#endif /* !MBEDTLS_MD2_ALT */
/*
* output = MD2( input buffer )
*/
-void mbedtls_md2( const unsigned char *input, size_t ilen, unsigned char output[16] )
+int mbedtls_md2_ret( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] )
{
+ int ret;
mbedtls_md2_context ctx;
mbedtls_md2_init( &ctx );
- mbedtls_md2_starts( &ctx );
- mbedtls_md2_update( &ctx, input, ilen );
- mbedtls_md2_finish( &ctx, output );
+
+ if( ( ret = mbedtls_md2_starts_ret( &ctx ) ) != 0 )
+ goto exit;
+
+ if( ( ret = mbedtls_md2_update_ret( &ctx, input, ilen ) ) != 0 )
+ goto exit;
+
+ if( ( ret = mbedtls_md2_finish_ret( &ctx, output ) ) != 0 )
+ goto exit;
+
+exit:
mbedtls_md2_free( &ctx );
+
+ return( ret );
}
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_md2( const unsigned char *input,
+ size_t ilen,
+ unsigned char output[16] )
+{
+ mbedtls_md2_ret( input, ilen, output );
+}
+#endif
+
#if defined(MBEDTLS_SELF_TEST)
/*
* RFC 1319 test vectors
*/
-static const char md2_test_str[7][81] =
+static const unsigned char md2_test_str[7][81] =
{
{ "" },
{ "a" },
@@ -227,10 +292,15 @@
{ "message digest" },
{ "abcdefghijklmnopqrstuvwxyz" },
{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
- { "12345678901234567890123456789012345678901234567890123456789012" \
+ { "12345678901234567890123456789012345678901234567890123456789012"
"345678901234567890" }
};
+static const size_t md2_test_strlen[7] =
+{
+ 0, 1, 3, 14, 26, 62, 80
+};
+
static const unsigned char md2_test_sum[7][16] =
{
{ 0x83, 0x50, 0xE5, 0xA3, 0xE2, 0x4C, 0x15, 0x3D,
@@ -254,7 +324,7 @@
*/
int mbedtls_md2_self_test( int verbose )
{
- int i;
+ int i, ret = 0;
unsigned char md2sum[16];
for( i = 0; i < 7; i++ )
@@ -262,15 +332,14 @@
if( verbose != 0 )
mbedtls_printf( " MD2 test #%d: ", i + 1 );
- mbedtls_md2( (unsigned char *) md2_test_str[i],
- strlen( md2_test_str[i] ), md2sum );
+ ret = mbedtls_md2_ret( md2_test_str[i], md2_test_strlen[i], md2sum );
+ if( ret != 0 )
+ goto fail;
if( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 )
{
- if( verbose != 0 )
- mbedtls_printf( "failed\n" );
-
- return( 1 );
+ ret = 1;
+ goto fail;
}
if( verbose != 0 )
@@ -281,6 +350,12 @@
mbedtls_printf( "\n" );
return( 0 );
+
+fail:
+ if( verbose != 0 )
+ mbedtls_printf( "failed\n" );
+
+ return( ret );
}
#endif /* MBEDTLS_SELF_TEST */