40 lines
899 B
C
40 lines
899 B
C
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// HmacSha1.h
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// Implements HMAC-SHA-1 (RFC2104, FIPS-198)
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#ifndef __CRYPTO_HMAC_SHA1_H
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#define __CRYPTO_HMAC_SHA1_H
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#include "Sha1Cls.h"
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namespace NCrypto {
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namespace NSha1 {
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// Use: SetKey(key, keySize); for () Update(data, size); Final(mac, macSize);
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class CHmac
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{
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CContext _sha;
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CContext _sha2;
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public:
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void SetKey(const Byte *key, size_t keySize);
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void Update(const Byte *data, size_t dataSize) { _sha.Update(data, dataSize); }
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void Final(Byte *mac, size_t macSize = kDigestSize);
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};
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class CHmac32
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{
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CContext32 _sha;
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CContext32 _sha2;
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public:
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void SetKey(const Byte *key, size_t keySize);
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void Update(const UInt32 *data, size_t dataSize) { _sha.Update(data, dataSize); }
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void Final(UInt32 *mac, size_t macSize = kNumDigestWords);
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// It'sa for hmac function. in,out: mac[kNumDigestWords].
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void GetLoopXorDigest(UInt32 *mac, UInt32 numIteration);
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};
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}}
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#endif
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