rlm@1: // HmacSha1.h
rlm@1: // Implements HMAC-SHA-1 (RFC2104, FIPS-198)
rlm@1: 
rlm@1: #ifndef __CRYPTO_HMAC_SHA1_H
rlm@1: #define __CRYPTO_HMAC_SHA1_H
rlm@1: 
rlm@1: #include "Sha1.h"
rlm@1: 
rlm@1: namespace NCrypto {
rlm@1: namespace NSha1 {
rlm@1: 
rlm@1: // Use:  SetKey(key, keySize); for () Update(data, size); Final(mac, macSize);
rlm@1: 
rlm@1: class CHmac
rlm@1: {
rlm@1:   CContext _sha;
rlm@1:   CContext _sha2;
rlm@1: public:
rlm@1:   void SetKey(const Byte *key, size_t keySize);
rlm@1:   void Update(const Byte *data, size_t dataSize) { _sha.Update(data, dataSize); }
rlm@1:   void Final(Byte *mac, size_t macSize = kDigestSize);
rlm@1: };
rlm@1: 
rlm@1: class CHmac32
rlm@1: {
rlm@1:   CContext32 _sha;
rlm@1:   CContext32 _sha2;
rlm@1: public:
rlm@1:   void SetKey(const Byte *key, size_t keySize);
rlm@1:   void Update(const UInt32 *data, size_t dataSize) { _sha.Update(data, dataSize); }
rlm@1:   void Final(UInt32 *mac, size_t macSize = kDigestSizeInWords);
rlm@1:   
rlm@1:   // It'sa for hmac function. in,out: mac[kDigestSizeInWords].
rlm@1:   void GetLoopXorDigest(UInt32 *mac, UInt32 numIteration);
rlm@1: };
rlm@1: 
rlm@1: }}
rlm@1: 
rlm@1: #endif