Package org.kapott.cryptalgs
Class PKCS1_15
- java.lang.Object
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- java.security.SignatureSpi
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- org.kapott.cryptalgs.PKCS1_15
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public class PKCS1_15 extends java.security.SignatureSpi
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Field Summary
Fields Modifier and Type Field Description private SignatureParamSpec
param
private java.io.ByteArrayOutputStream
plainmsg
private java.security.PrivateKey
privKey
private java.security.interfaces.RSAPublicKey
pubKey
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Constructor Summary
Constructors Constructor Description PKCS1_15()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static byte[]
createDigestInfo(SignatureParamSpec spec, byte[] hash)
private static byte[]
emsa_encode(SignatureParamSpec spec, byte[] msg, int emLen)
protected java.lang.Object
engineGetParameter(java.lang.String param1)
Deprecated.protected void
engineInitSign(java.security.PrivateKey privateKey)
protected void
engineInitVerify(java.security.PublicKey publicKey)
protected void
engineSetParameter(java.lang.String param1, java.lang.Object value)
Deprecated.protected void
engineSetParameter(java.security.spec.AlgorithmParameterSpec params)
protected byte[]
engineSign()
protected void
engineUpdate(byte b)
protected void
engineUpdate(byte[] b, int off, int len)
protected boolean
engineVerify(byte[] sigBytes)
private static byte[]
getHashAlgOID(SignatureParamSpec spec)
static java.security.MessageDigest
getMessageDigest(SignatureParamSpec spec)
private static byte[]
hash(SignatureParamSpec spec, byte[] msg)
private static byte[]
i2osp(java.math.BigInteger x, int len)
private static java.math.BigInteger
os2ip(byte[] bytes)
private static byte[]
sign(SignatureParamSpec spec, java.security.PrivateKey privKey, byte[] msg)
private static java.math.BigInteger
sp1(java.security.PrivateKey key, java.math.BigInteger m)
private static boolean
verify(SignatureParamSpec spec, java.security.PublicKey pubKey, byte[] msg, byte[] signature)
private static java.math.BigInteger
vp1(java.security.interfaces.RSAPublicKey key, java.math.BigInteger s)
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Field Detail
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pubKey
private java.security.interfaces.RSAPublicKey pubKey
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privKey
private java.security.PrivateKey privKey
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param
private SignatureParamSpec param
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plainmsg
private java.io.ByteArrayOutputStream plainmsg
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Method Detail
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engineSetParameter
@Deprecated protected void engineSetParameter(java.lang.String param1, java.lang.Object value) throws java.security.InvalidParameterException
Deprecated.- Specified by:
engineSetParameter
in classjava.security.SignatureSpi
- Throws:
java.security.InvalidParameterException
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engineSetParameter
protected void engineSetParameter(java.security.spec.AlgorithmParameterSpec params) throws java.security.InvalidAlgorithmParameterException
- Overrides:
engineSetParameter
in classjava.security.SignatureSpi
- Throws:
java.security.InvalidAlgorithmParameterException
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engineGetParameter
@Deprecated protected java.lang.Object engineGetParameter(java.lang.String param1) throws java.security.InvalidParameterException
Deprecated.- Specified by:
engineGetParameter
in classjava.security.SignatureSpi
- Throws:
java.security.InvalidParameterException
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getMessageDigest
public static java.security.MessageDigest getMessageDigest(SignatureParamSpec spec)
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engineInitSign
protected void engineInitSign(java.security.PrivateKey privateKey)
- Specified by:
engineInitSign
in classjava.security.SignatureSpi
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engineInitVerify
protected void engineInitVerify(java.security.PublicKey publicKey)
- Specified by:
engineInitVerify
in classjava.security.SignatureSpi
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engineUpdate
protected void engineUpdate(byte b)
- Specified by:
engineUpdate
in classjava.security.SignatureSpi
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engineUpdate
protected void engineUpdate(byte[] b, int off, int len)
- Specified by:
engineUpdate
in classjava.security.SignatureSpi
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engineSign
protected byte[] engineSign()
- Specified by:
engineSign
in classjava.security.SignatureSpi
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engineVerify
protected boolean engineVerify(byte[] sigBytes)
- Specified by:
engineVerify
in classjava.security.SignatureSpi
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i2osp
private static byte[] i2osp(java.math.BigInteger x, int len)
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os2ip
private static java.math.BigInteger os2ip(byte[] bytes)
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sp1
private static java.math.BigInteger sp1(java.security.PrivateKey key, java.math.BigInteger m)
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vp1
private static java.math.BigInteger vp1(java.security.interfaces.RSAPublicKey key, java.math.BigInteger s)
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sign
private static byte[] sign(SignatureParamSpec spec, java.security.PrivateKey privKey, byte[] msg)
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verify
private static boolean verify(SignatureParamSpec spec, java.security.PublicKey pubKey, byte[] msg, byte[] signature)
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hash
private static byte[] hash(SignatureParamSpec spec, byte[] msg)
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getHashAlgOID
private static byte[] getHashAlgOID(SignatureParamSpec spec)
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createDigestInfo
public static byte[] createDigestInfo(SignatureParamSpec spec, byte[] hash)
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emsa_encode
private static byte[] emsa_encode(SignatureParamSpec spec, byte[] msg, int emLen)
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