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- Added regular error codes for generic message digest layer

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This commit is contained in:
Paul Bakker 2011-06-09 15:55:11 +00:00
parent c65ab340a7
commit 9c021adeff
3 changed files with 60 additions and 28 deletions
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42
include/polarssl/md.h
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@ -37,6 +37,10 @@
#endif
#define POLARSSL_ERR_MD_FEATURE_UNAVAILABLE -0x5080 /**< The selected feature is not available. */
#define POLARSSL_ERR_MD_BAD_INPUT_DATA -0x5100 /**< Bad input parameters to function. */
#define POLARSSL_ERR_MD_ALLOC_FAILED -0x5180 /**< Failed to allocate memory. */
#define POLARSSL_ERR_MD_FILE_OPEN_FAILED -0x5200 /**< Opening of file failed. */
#define POLARSSL_ERR_MD_FILE_READ_FAILED -0x5280 /**< Failure when reading from file. */
typedef enum {
POLARSSL_MD_NONE=0,
@ -166,7 +170,8 @@ const md_info_t *md_info_from_type( md_type_t md_type );
* be allocated, and must be freed using md_free_ctx() later.
* \param md_info message digest to use.
*
* \returns \c 0 on success, \c 1 on parameter failure, \c 2 if
* \returns \c 0 on success, \c POLARSSL_ERR_MD_BAD_INPUT_DATA on
* parameter failure, \c POLARSSL_ERR_MD_ALLOC_FAILED if
* allocation of the cipher-specific context failed.
*/
int md_init_ctx( md_context_t *ctx, const md_info_t *md_info );
@ -177,7 +182,8 @@ int md_init_ctx( md_context_t *ctx, const md_info_t *md_info );
*
* \param ctx Free the message-specific context
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_free_ctx( md_context_t *ctx );
@ -222,7 +228,8 @@ static inline const char *md_get_name( const md_info_t *md_info )
*
* \param ctx generic message digest context.
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_starts( md_context_t *ctx );
@ -233,7 +240,8 @@ int md_starts( md_context_t *ctx );
* \param input buffer holding the datal
* \param ilen length of the input data
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_update( md_context_t *ctx, const unsigned char *input, size_t ilen );
@ -243,7 +251,8 @@ int md_update( md_context_t *ctx, const unsigned char *input, size_t ilen );
* \param ctx Generic message digest context
* \param output Generic message digest checksum result
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_finish( md_context_t *ctx, unsigned char *output );
@ -255,7 +264,8 @@ int md_finish( md_context_t *ctx, unsigned char *output );
* \param ilen length of the input data
* \param output Generic message digest checksum result
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md( const md_info_t *md_info, const unsigned char *input, size_t ilen,
unsigned char *output );
@ -267,8 +277,9 @@ int md( const md_info_t *md_info, const unsigned char *input, size_t ilen,
* \param path input file name
* \param output generic message digest checksum result
*
* \return 0 if successful, 1 if fopen failed,
* 2 if fread failed, 3 if md_info was NULL
* \return 0 if successful, POLARSSL_ERR_MD_FILE_OPEN_FAILED if fopen
* failed, POLARSSL_ERR_MD_FILE_READ_FAILED if fread failed,
* POLARSSL_ERR_MD_BAD_INPUT_DATA if md_info was NULL.
*/
int md_file( const md_info_t *md_info, const char *path, unsigned char *output );
@ -279,7 +290,8 @@ int md_file( const md_info_t *md_info, const char *path, unsigned char *output )
* \param key HMAC secret key
* \param keylen length of the HMAC key
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_starts( md_context_t *ctx, const unsigned char *key, size_t keylen );
@ -290,7 +302,8 @@ int md_hmac_starts( md_context_t *ctx, const unsigned char *key, size_t keylen )
* \param input buffer holding the data
* \param ilen length of the input data
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_update( md_context_t *ctx, const unsigned char *input, size_t ilen );
@ -300,7 +313,8 @@ int md_hmac_update( md_context_t *ctx, const unsigned char *input, size_t ilen )
* \param ctx HMAC context
* \param output Generic HMAC checksum result
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_finish( md_context_t *ctx, unsigned char *output);
@ -309,7 +323,8 @@ int md_hmac_finish( md_context_t *ctx, unsigned char *output);
*
* \param ctx HMAC context to be reset
*
* \returns 0 on success, 1 if ctx is NULL.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_reset( md_context_t *ctx );
@ -323,7 +338,8 @@ int md_hmac_reset( md_context_t *ctx );
* \param ilen length of the input data
* \param output Generic HMAC-result
*
* \returns 0 on success, 1 if parameter verification fails.
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac( const md_info_t *md_info, const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,