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Use mbedtls_xor in ARIA

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2022-11-22 16:18:55 +00:00
parent a8cf607458
commit 7bb6b84b29
1 changed files with 2 additions and 5 deletions
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7
library/aria.c
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@@ -588,7 +588,6 @@ int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
const unsigned char *input,
unsigned char *output )
{
int i;
unsigned char temp[MBEDTLS_ARIA_BLOCKSIZE];
ARIA_VALIDATE_RET( ctx != NULL );
@@ -608,8 +607,7 @@ int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
memcpy( temp, input, MBEDTLS_ARIA_BLOCKSIZE );
mbedtls_aria_crypt_ecb( ctx, input, output );
for( i = 0; i < MBEDTLS_ARIA_BLOCKSIZE; i++ )
output[i] = (unsigned char)( output[i] ^ iv[i] );
mbedtls_xor( output, output, iv, MBEDTLS_ARIA_BLOCKSIZE );
memcpy( iv, temp, MBEDTLS_ARIA_BLOCKSIZE );
@@ -622,8 +620,7 @@ int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
{
while( length > 0 )
{
for( i = 0; i < MBEDTLS_ARIA_BLOCKSIZE; i++ )
output[i] = (unsigned char)( input[i] ^ iv[i] );
mbedtls_xor( output, input, iv, MBEDTLS_ARIA_BLOCKSIZE );
mbedtls_aria_crypt_ecb( ctx, output, output );
memcpy( iv, output, MBEDTLS_ARIA_BLOCKSIZE );