Bug fixes + tabbing

[iotcloud.git] / version2 / src / C / pbkdf2-sha256.h

diff --git a/version2/src/C/pbkdf2-sha256.h b/version2/src/C/pbkdf2-sha256.h
index 9a79572360eb3488e6aedcb9b5e1c1972628899d..54a0bdf8a428fc663c0eb1c4e720313b40192081 100644 (file)
--- a/version2/src/C/pbkdf2-sha256.h
+++ b/version2/src/C/pbkdf2-sha256.h
@@ -1,6 +1,26 @@
 #ifndef PBKDF2_SHA256_H
 #define PBKDF2_SHA256_H
 
+typedef struct {
+       unsigned long total[2]; /*!< number of bytes processed  */
+       unsigned long state[8]; /*!< intermediate digest state  */
+       unsigned char buffer[64];       /*!< data block being processed */
+
+       unsigned char ipad[64]; /*!< HMAC: inner padding        */
+       unsigned char opad[64]; /*!< HMAC: outer padding        */
+       int is224;              /*!< 0 => SHA-256, else SHA-224 */
+} sha2_context;
+
+void sha2_starts( sha2_context *ctx, int is224 );
+void sha2_update( sha2_context *ctx, const unsigned char *input, size_t ilen );
+void sha2_finish( sha2_context *ctx, unsigned char output[32] );
+
+void sha2_hmac_starts( sha2_context *ctx, const unsigned char *key, size_t keylen, int is224 );
+void sha2_hmac_update( sha2_context *ctx, const unsigned char *input, size_t ilen );
+void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] );
+void sha2_hmac_reset( sha2_context *ctx );
+
+
 void PKCS5_PBKDF2_HMAC(unsigned char *password, size_t plen,
                                                                                         unsigned char *salt, size_t slen,
                                                                                         const unsigned long iteration_count, const unsigned long key_length,