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Add param validation for mbedtls_aes_crypt_xts()

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Manuel Pégourié-Gonnard
2018-12-13 10:15:30 +01:00
parent 3178d1a997
commit 191af1313a
3 changed files with 51 additions and 8 deletions
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6
library/aes.c
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@@ -1182,6 +1182,12 @@ int mbedtls_aes_crypt_xts( mbedtls_aes_xts_context *ctx,
unsigned char prev_tweak[16];
unsigned char tmp[16];
AES_VALIDATE_RET( ctx != NULL );
AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
mode == MBEDTLS_AES_DECRYPT );
AES_VALIDATE_RET( input != NULL );
AES_VALIDATE_RET( output != NULL );
/* Data units must be at least 16 bytes long. */
if( length < 16 )
return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;