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Fix off-by-one in iv_off check and add tests

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Manuel Pégourié-Gonnard 2018-12-18 12:09:02 +01:00
parent 5b89c09273
commit e55e103bfe
2 changed files with 16 additions and 2 deletions
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4
library/aes.c
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@ -1298,7 +1298,7 @@ int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
n = *iv_off;
if( n > 16 )
if( n > 15 )
return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
if( mode == MBEDTLS_AES_DECRYPT )
@ -1394,7 +1394,7 @@ int mbedtls_aes_crypt_ofb( mbedtls_aes_context *ctx,
n = *iv_off;
if( n > 16 )
if( n > 15 )
return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
while( length-- )