Package org.kapott.cryptalgs
Class PKCS1_PSS
java.lang.Object
java.security.SignatureSpi
org.kapott.cryptalgs.PKCS1_PSS
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate SignatureParamSpec
private ByteArrayOutputStream
private PrivateKey
private RSAPublicKey
Fields inherited from class java.security.SignatureSpi
appRandom
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic int
calculateEMBitLen
(BigInteger modulus) private static byte[]
concat
(byte[] x1, byte[] x2) static byte[]
emsa_pss_encode
(SignatureParamSpec spec, byte[] msg, int emBits) static boolean
emsa_pss_verify
(SignatureParamSpec spec, byte[] msg, byte[] EM, int emBits) protected Object
engineGetParameter
(String parameter) Deprecated.protected void
engineInitSign
(PrivateKey privateKey) protected void
engineInitVerify
(PublicKey publicKey) protected void
engineSetParameter
(String param1, Object value) Deprecated.protected void
protected byte[]
protected int
engineSign
(byte[] output, int offset, int len) protected void
engineUpdate
(byte b) protected void
engineUpdate
(byte[] b, int offset, int length) protected boolean
engineVerify
(byte[] sig) static MessageDigest
private static byte[]
hash
(SignatureParamSpec spec, byte[] data) private static byte[]
i2os
(BigInteger x, int outLen) private static byte[]
mgf1
(SignatureParamSpec spec, byte[] mgfSeed, int maskLen) private static BigInteger
os2i
(byte[] bytes) private byte[]
pss_sign
(PrivateKey key, byte[] msg) private boolean
pss_verify
(RSAPublicKey key, byte[] msg, byte[] S) private static byte[]
random_os
(int len) private static BigInteger
sp1
(PrivateKey key, BigInteger m) private static BigInteger
vp1
(RSAPublicKey key, BigInteger s) private static byte[]
xor_os
(byte[] a1, byte[] a2) Methods inherited from class java.security.SignatureSpi
clone, engineGetParameters, engineInitSign, 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_PSS
public PKCS1_PSS()
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Method Details
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engineSetParameter
Deprecated.- Specified by:
engineSetParameter
in classSignatureSpi
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engineSetParameter
protected void engineSetParameter(AlgorithmParameterSpec param1) throws InvalidAlgorithmParameterException - Overrides:
engineSetParameter
in classSignatureSpi
- Throws:
InvalidAlgorithmParameterException
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engineGetParameter
Deprecated.- Specified by:
engineGetParameter
in classSignatureSpi
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getMessageDigest
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engineInitSign
- Specified by:
engineInitSign
in classSignatureSpi
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engineInitVerify
- Specified by:
engineInitVerify
in classSignatureSpi
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engineUpdate
protected void engineUpdate(byte b) - Specified by:
engineUpdate
in classSignatureSpi
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engineUpdate
protected void engineUpdate(byte[] b, int offset, int length) - Specified by:
engineUpdate
in classSignatureSpi
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engineSign
- Overrides:
engineSign
in classSignatureSpi
- Throws:
SignatureException
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engineSign
protected byte[] engineSign()- Specified by:
engineSign
in classSignatureSpi
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engineVerify
protected boolean engineVerify(byte[] sig) - Specified by:
engineVerify
in classSignatureSpi
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i2os
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os2i
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sp1
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vp1
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concat
private static byte[] concat(byte[] x1, byte[] x2) -
hash
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mgf1
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random_os
private static byte[] random_os(int len) -
xor_os
private static byte[] xor_os(byte[] a1, byte[] a2) -
emsa_pss_encode
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emsa_pss_verify
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calculateEMBitLen
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pss_sign
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pss_verify
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