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Refactor and change CMAC interface

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Change the CMAC interface to match the mbedtls_md_hmac_xxxx() interface. This
changes the overall design of the CMAC interface to make it more consistent with
the existing HMAC interface, and will allow incremental updates of input data
rather than requiring all data to be presented at once, which is what the
current interface requires.
This commit is contained in:
Simon Butcher 2016-10-05 14:09:11 +01:00
parent 57104fb773
commit 0c79073a8b
6 changed files with 578 additions and 348 deletions
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9
library/error.c
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@ -582,15 +582,6 @@ void mbedtls_strerror( int ret, char *buf, size_t buflen )
mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" );
#endif /* MBEDTLS_CCM_C */
#if defined(MBEDTLS_CMAC_C)
if( use_ret == -(MBEDTLS_ERR_CMAC_BAD_INPUT) )
mbedtls_snprintf( buf, buflen, "CMAC - Bad input parameters to function" );
if( use_ret == -(MBEDTLS_ERR_CMAC_VERIFY_FAILED) )
mbedtls_snprintf( buf, buflen, "CMAC - Verification failed" );
if( use_ret == -(MBEDTLS_ERR_CMAC_ALLOC_FAILED) )
mbedtls_snprintf( buf, buflen, "CMAC - Failed to allocate memory" );
#endif /* MBEDTLS_CMAC_C */
#if defined(MBEDTLS_CTR_DRBG_C)
if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) )
mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" );