Package org.kapott.cryptalgs
Class PKCS1_15
java.lang.Object
java.security.SignatureSpi
org.kapott.cryptalgs.PKCS1_15
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate SignatureParamSpecprivate ByteArrayOutputStreamprivate PrivateKeyprivate RSAPublicKeyFields inherited from class java.security.SignatureSpi
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic byte[]createDigestInfo(SignatureParamSpec spec, byte[] hash) private static byte[]emsa_encode(SignatureParamSpec spec, byte[] msg, int emLen) protected ObjectengineGetParameter(String param1) Deprecated.protected voidengineInitSign(PrivateKey privateKey) protected voidengineInitVerify(PublicKey publicKey) protected voidengineSetParameter(String param1, Object value) Deprecated.protected voidprotected byte[]protected voidengineUpdate(byte b) protected voidengineUpdate(byte[] b, int off, int len) protected booleanengineVerify(byte[] sigBytes) private static byte[]static MessageDigestprivate static byte[]hash(SignatureParamSpec spec, byte[] msg) private static byte[]i2osp(BigInteger x, int len) private static BigIntegeros2ip(byte[] bytes) private static byte[]sign(SignatureParamSpec spec, PrivateKey privKey, byte[] msg) private static BigIntegersp1(PrivateKey key, BigInteger m) private static booleanverify(SignatureParamSpec spec, PublicKey pubKey, byte[] msg, byte[] signature) private static BigIntegervp1(RSAPublicKey key, BigInteger s) Methods inherited from class java.security.SignatureSpi
clone, engineGetParameters, engineInitSign, engineSign, engineUpdate, engineVerify
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Field Details
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pubKey
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privKey
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param
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plainmsg
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Constructor Details
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PKCS1_15
public PKCS1_15()
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Method Details
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engineSetParameter
@Deprecated protected void engineSetParameter(String param1, Object value) throws InvalidParameterException Deprecated.- Specified by:
engineSetParameterin classSignatureSpi- Throws:
InvalidParameterException
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engineSetParameter
protected void engineSetParameter(AlgorithmParameterSpec params) throws InvalidAlgorithmParameterException - Overrides:
engineSetParameterin classSignatureSpi- Throws:
InvalidAlgorithmParameterException
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engineGetParameter
Deprecated.- Specified by:
engineGetParameterin classSignatureSpi- Throws:
InvalidParameterException
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getMessageDigest
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engineInitSign
- Specified by:
engineInitSignin classSignatureSpi
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engineInitVerify
- Specified by:
engineInitVerifyin classSignatureSpi
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engineUpdate
protected void engineUpdate(byte b) - Specified by:
engineUpdatein classSignatureSpi
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engineUpdate
protected void engineUpdate(byte[] b, int off, int len) - Specified by:
engineUpdatein classSignatureSpi
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engineSign
protected byte[] engineSign()- Specified by:
engineSignin classSignatureSpi
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engineVerify
protected boolean engineVerify(byte[] sigBytes) - Specified by:
engineVerifyin classSignatureSpi
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i2osp
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os2ip
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sp1
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vp1
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sign
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verify
private static boolean verify(SignatureParamSpec spec, PublicKey pubKey, byte[] msg, byte[] signature) -
hash
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getHashAlgOID
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createDigestInfo
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emsa_encode
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