eden-emu/mbedtls
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Add two error codes to the Error module

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One of the error codes was already reserved, this commit just makes it
explicit. The other one is a new error code for initializing return
values in the library: `MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED` should
not be returned by the library. If it is returned, then it is surely a
bug in the library or somebody is tampering with the device.
This commit is contained in:
Janos Follath 2019-12-03 15:55:56 +00:00
parent ab534cfd62
commit 2d20567122
3 changed files with 17 additions and 2 deletions
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11
library/error.c
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@ -109,6 +109,10 @@
#include "mbedtls/entropy.h"
#endif
#if defined(MBEDTLS_ERROR_C)
#include "mbedtls/error.h"
#endif
#if defined(MBEDTLS_GCM_C)
#include "mbedtls/gcm.h"
#endif
@ -754,6 +758,13 @@ void mbedtls_strerror( int ret, char *buf, size_t buflen )
mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" );
#endif /* MBEDTLS_ENTROPY_C */
#if defined(MBEDTLS_ERROR_C)
if( use_ret == -(MBEDTLS_ERR_ERROR_GENERIC_ERROR) )
mbedtls_snprintf( buf, buflen, "ERROR - Generic error" );
if( use_ret == -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED) )
mbedtls_snprintf( buf, buflen, "ERROR - This is a bug in the library" );
#endif /* MBEDTLS_ERROR_C */
#if defined(MBEDTLS_GCM_C)
if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) )
mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" );