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Fix various compiler warnings with MSVC

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Fixes various compiler warnings found with Microsoft Visual Studio 2015
(and earlier versions).
This commit is contained in:
Simon B 2016-11-03 01:11:37 +00:00 • committed by Simon Butcher
parent 1903fb312f
commit 3c6b18df3a
3 changed files with 10 additions and 9 deletions
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13
library/cmac.c
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@ -105,7 +105,7 @@ static int cmac_multiply_by_u( unsigned char *output,
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
for( i = blocksize - 1; i >= 0; i-- )
for( i = (int)blocksize - 1; i >= 0; i-- )
{
output[i] = input[i] << 1 | overflow;
overflow = input[i] >> 7;
@ -209,7 +209,7 @@ int mbedtls_cipher_cmac_starts( mbedtls_cipher_context_t *ctx,
if( ctx == NULL || ctx->cipher_info == NULL || key == NULL )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( ( retval = mbedtls_cipher_setkey( ctx, key, keybits,
if( ( retval = mbedtls_cipher_setkey( ctx, key, (int)keybits,
MBEDTLS_ENCRYPT ) ) != 0 )
return( retval );
@ -244,8 +244,8 @@ int mbedtls_cipher_cmac_update( mbedtls_cipher_context_t *ctx,
{
mbedtls_cmac_context_t* cmac_ctx;
unsigned char *state;
int n, j, ret = 0;
size_t olen, block_size;
int ret = 0;
size_t n, j, olen, block_size;
if( ctx == NULL || ctx->cipher_info == NULL || input == NULL ||
ctx->cmac_ctx == NULL )
@ -280,8 +280,9 @@ int mbedtls_cipher_cmac_update( mbedtls_cipher_context_t *ctx,
/* n is the number of blocks including any final partial block */
n = ( ilen + block_size - 1 ) / block_size;
/* Iterate across the input data in block sized chunks */
for( j = 0; j < n - 1; j++ )
/* Iterate across the input data in block sized chunks, excluding any
* final partial or complete block */
for( j = 1; j < n; j++ )
{
cmac_xor_block( state, input, state, block_size );