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 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 byte[]
createDigestInfo
(SignatureParamSpec spec, byte[] hash) private static byte[]
emsa_encode
(SignatureParamSpec spec, byte[] msg, int emLen) protected Object
engineGetParameter
(String param1) Deprecated.protected void
engineInitSign
(PrivateKey privateKey) protected void
engineInitVerify
(PublicKey publicKey) protected void
engineSetParameter
(String param1, Object value) Deprecated.protected void
protected byte[]
protected void
engineUpdate
(byte b) protected void
engineUpdate
(byte[] b, int off, int len) protected boolean
engineVerify
(byte[] sigBytes) private static byte[]
static MessageDigest
private static byte[]
hash
(SignatureParamSpec spec, byte[] msg) private static byte[]
i2osp
(BigInteger x, int len) private static BigInteger
os2ip
(byte[] bytes) private static byte[]
sign
(SignatureParamSpec spec, PrivateKey privKey, byte[] msg) private static BigInteger
sp1
(PrivateKey key, BigInteger m) private static boolean
verify
(SignatureParamSpec spec, PublicKey pubKey, byte[] msg, byte[] signature) private static BigInteger
vp1
(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:
engineSetParameter
in classSignatureSpi
- Throws:
InvalidParameterException
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engineSetParameter
protected void engineSetParameter(AlgorithmParameterSpec params) throws InvalidAlgorithmParameterException - Overrides:
engineSetParameter
in classSignatureSpi
- Throws:
InvalidAlgorithmParameterException
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engineGetParameter
Deprecated.- Specified by:
engineGetParameter
in classSignatureSpi
- Throws:
InvalidParameterException
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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 off, int len) - Specified by:
engineUpdate
in classSignatureSpi
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engineSign
protected byte[] engineSign()- Specified by:
engineSign
in classSignatureSpi
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engineVerify
protected boolean engineVerify(byte[] sigBytes) - Specified by:
engineVerify
in 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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