37 #ifndef VIRGIL_CRYPTO_HASH_H
38 #define VIRGIL_CRYPTO_HASH_H
42 #include <virgil/crypto/VirgilByteArray.h>
43 #include <virgil/crypto/foundation/asn1/VirgilAsn1Compatible.h>
45 namespace virgil {
namespace crypto {
namespace foundation {
72 static VirgilHash withName(
const virgil::crypto::VirgilByteArray&
name);
102 std::string
name()
const;
124 virgil::crypto::VirgilByteArray
hash(
const virgil::crypto::VirgilByteArray& bytes)
const;
148 void update(
const virgil::crypto::VirgilByteArray& bytes);
156 virgil::crypto::VirgilByteArray
finish();
173 virgil::crypto::VirgilByteArray
hmac(
174 const virgil::crypto::VirgilByteArray& key,
175 const virgil::crypto::VirgilByteArray& bytes)
const;
189 void hmacStart(
const virgil::crypto::VirgilByteArray& key);
206 void hmacUpdate(
const virgil::crypto::VirgilByteArray& bytes);
234 size_t childWrittenBytes = 0)
const;
243 void checkState()
const;
246 VirgilHashImpl* impl_;
int type() const
Return underlying hash type.
void start()
Initialize hashing for the new message hash.
virgil::crypto::VirgilByteArray hmac(const virgil::crypto::VirgilByteArray &key, const virgil::crypto::VirgilByteArray &bytes) const
Produce HMAC hash.
This class provides methods for reading ASN.1 data structure.
Definition: VirgilAsn1Reader.h:53
void update(const virgil::crypto::VirgilByteArray &bytes)
Update / process message hash.
virtual ~VirgilHash()
Polymorphic destructor.
This class provides interface that allow to save and restore object state in the ASN.1 structure.
Definition: VirgilAsn1Compatible.h:59
Provides hashing (message digest) algorithms.
Definition: VirgilHash.h:57
virtual void asn1Read(virgil::crypto::foundation::asn1::VirgilAsn1Reader &asn1Reader)
Read object state from the reader.
This class provides methods for writing ASN.1 data structure.
Definition: VirgilAsn1Writer.h:54
VirgilHash()
Create object with undefined algorithm.
Definition: VirgilAsn1Compatible.h:46
void hmacReset()
Reset HMAC hashing for the new message hash.
std::string name() const
Returns name of the hash function.
virgil::crypto::VirgilByteArray hmacFinish()
Return final message HMAC hash.
virgil::crypto::VirgilByteArray hash(const virgil::crypto::VirgilByteArray &bytes) const
Produce hash.
void hmacStart(const virgil::crypto::VirgilByteArray &key)
Initialize HMAC hashing for the new message hash.
void hmacUpdate(const virgil::crypto::VirgilByteArray &bytes)
Update / process message HMAC hash.
virgil::crypto::VirgilByteArray finish()
Return final message hash.
virtual size_t asn1Write(virgil::crypto::foundation::asn1::VirgilAsn1Writer &asn1Writer, size_t childWrittenBytes=0) const
Write object state to the writer.