public class SM2Signer extends java.lang.Object implements Signer, ECConstants
| Constructor and Description |
|---|
SM2Signer() |
SM2Signer(Digest digest) |
SM2Signer(DSAEncoding encoding) |
SM2Signer(DSAEncoding encoding,
Digest digest) |
| Modifier and Type | Method and Description |
|---|---|
protected java.math.BigInteger |
calculateE(java.math.BigInteger n,
byte[] message) |
protected ECMultiplier |
createBasePointMultiplier() |
byte[] |
generateSignature()
generate a signature for the message we've been loaded with using
the key we were initialised with.
|
void |
init(boolean forSigning,
CipherParameters param)
Initialise the signer for signing or verification.
|
void |
reset()
reset the internal state
|
void |
update(byte b)
update the internal digest with the byte b
|
void |
update(byte[] in,
int off,
int len)
update the internal digest with the byte array in
|
boolean |
verifySignature(byte[] signature)
return true if the internal state represents the signature described
in the passed in array.
|
public SM2Signer()
public SM2Signer(Digest digest)
public SM2Signer(DSAEncoding encoding)
public SM2Signer(DSAEncoding encoding, Digest digest)
public void init(boolean forSigning,
CipherParameters param)
Signerpublic void update(byte b)
Signerpublic void update(byte[] in,
int off,
int len)
Signerpublic boolean verifySignature(byte[] signature)
SignerverifySignature in interface Signerpublic void reset()
Signerpublic byte[] generateSignature()
throws CryptoException
SignergenerateSignature in interface SignerCryptoExceptionprotected ECMultiplier createBasePointMultiplier()
protected java.math.BigInteger calculateE(java.math.BigInteger n,
byte[] message)