8 #ifndef CRYPTOPP_AUTHENC_H
9 #define CRYPTOPP_AUTHENC_H
23 m_totalHeaderLength(0), m_totalMessageLength(0), m_totalFooterLength(0) {}
33 void UncheckedSetKey(
const byte * key,
unsigned int length,
const CryptoPP::NameValuePairs ¶ms)
34 {CRYPTOPP_UNUSED(key), CRYPTOPP_UNUSED(length), CRYPTOPP_UNUSED(params); assert(
false);}
36 void SetKey(
const byte *userKey,
size_t keylength,
const NameValuePairs ¶ms);
37 void Restart() {
if (m_state > State_KeySet) m_state = State_KeySet;}
38 void Resynchronize(
const byte *iv,
int length=-1);
39 void Update(
const byte *input,
size_t length);
40 void ProcessData(
byte *outString,
const byte *inString,
size_t length);
41 void TruncatedFinal(
byte *mac,
size_t macSize);
44 void AuthenticateData(
const byte *data,
size_t len);
48 virtual bool AuthenticationIsOnPlaintext()
const =0;
49 virtual unsigned int AuthenticationBlockSize()
const =0;
50 virtual void SetKeyWithoutResync(
const byte *userKey,
size_t keylength,
const NameValuePairs ¶ms) =0;
51 virtual void Resync(
const byte *iv,
size_t len) =0;
52 virtual size_t AuthenticateBlocks(
const byte *data,
size_t len) =0;
53 virtual void AuthenticateLastHeaderBlock() =0;
54 virtual void AuthenticateLastConfidentialBlock() {}
55 virtual void AuthenticateLastFooterBlock(
byte *mac,
size_t macSize) =0;
57 enum State {State_Start, State_KeySet, State_IVSet, State_AuthUntransformed, State_AuthTransformed, State_AuthFooter};
59 unsigned int m_bufferedDataLength;
60 lword m_totalHeaderLength, m_totalMessageLength, m_totalFooterLength;