DeforaNetworks/fwknop
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added initial HMAC-SHA256 support for the client side

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This commit is contained in:
Michael Rash
2012-07-02 23:50:45 -04:00
parent 3095f0ee43
commit 92e403a242
22 changed files with 744 additions and 77 deletions
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26
lib/fko.h
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@@ -34,6 +34,7 @@
#include <time.h>
#include "rijndael.h" /* For encryption modes */
#include "digest.h"
#ifdef __cplusplus
extern "C" {
@@ -83,6 +84,19 @@ typedef enum {
FKO_LAST_DIGEST_TYPE /* Always leave this as the last one */
} fko_digest_type_t;
/* Supported hmac digest types...
*/
typedef enum {
FKO_HMAC_INVALID_DATA = -1,
FKO_HMAC_UNKNOWN = 0,
FKO_HMAC_MD5,
FKO_HMAC_SHA1,
FKO_HMAC_SHA256,
FKO_HMAC_SHA384,
FKO_HMAC_SHA512,
FKO_LAST_HMAC_MODE /* Always leave this as the last one */
} fko_hmac_mode_t;
/* Supported encryption types...
*/
typedef enum {
@@ -133,6 +147,7 @@ typedef enum {
FKO_ERROR_DECRYPTION_SIZE,
FKO_ERROR_DECRYPTION_FAILURE,
FKO_ERROR_DIGEST_VERIFICATION_FAILED,
FKO_ERROR_UNSUPPORTED_HMAC_MODE,
FKO_ERROR_UNSUPPORTED_FEATURE,
FKO_ERROR_UNKNOWN,
@@ -206,10 +221,11 @@ enum {
/* General api calls
*/
DLL_API int fko_new(fko_ctx_t *ctx);
DLL_API int fko_new_with_data(fko_ctx_t *ctx, const char *enc_msg, const char *dec_key,
int encryption_mode);
DLL_API int fko_new_with_data(fko_ctx_t *ctx, const char *enc_msg,
const char *dec_key, int encryption_mode, const char *hmac_key);
DLL_API void fko_destroy(fko_ctx_t ctx);
DLL_API int fko_spa_data_final(fko_ctx_t ctx, const char *enc_key);
DLL_API int fko_spa_data_final(fko_ctx_t ctx, const char *enc_key,
const char *hmac_key);
/* Set context data functions
@@ -227,6 +243,7 @@ DLL_API int fko_set_spa_digest(fko_ctx_t ctx);
DLL_API int fko_set_spa_encryption_type(fko_ctx_t ctx, const short encrypt_type);
DLL_API int fko_set_spa_encryption_mode(fko_ctx_t ctx, const int encrypt_mode);
DLL_API int fko_set_spa_data(fko_ctx_t ctx, const char *enc_msg);
DLL_API int fko_set_hmac_mode(fko_ctx_t ctx, const short hmac_mode);
/* Data processing and misc utility functions
*/
@@ -240,6 +257,9 @@ DLL_API int fko_encode_spa_data(fko_ctx_t ctx);
DLL_API int fko_decode_spa_data(fko_ctx_t ctx);
DLL_API int fko_encrypt_spa_data(fko_ctx_t ctx, const char *enc_key);
DLL_API int fko_decrypt_spa_data(fko_ctx_t ctx, const char *dec_key);
DLL_API int fko_verify_hmac(fko_ctx_t ctx, const char *hmac_key);
DLL_API int fko_calculate_hmac(fko_ctx_t ctx, const char *hmac_key);
DLL_API int fko_get_hmac_data(fko_ctx_t ctx, char **enc_data);
DLL_API int fko_get_encoded_data(fko_ctx_t ctx, char **enc_data);