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java.lang.Objectcom.itextpdf.text.pdf.security.PrivateKeySignature
public class PrivateKeySignature
Implementation of the ExternalSignature interface that can be used when you have a PrivateKey object.
Constructor Summary | |
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PrivateKeySignature(java.security.PrivateKey pk,
java.lang.String hashAlgorithm,
java.lang.String provider)
Creates an ExternalSignature instance |
Method Summary | |
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java.lang.String |
getEncryptionAlgorithm()
Returns the encryption algorithm used for signing. |
java.lang.String |
getHashAlgorithm()
Returns the hash algorithm. |
byte[] |
sign(byte[] b)
Signs it using the encryption algorithm in combination with the digest algorithm. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PrivateKeySignature(java.security.PrivateKey pk, java.lang.String hashAlgorithm, java.lang.String provider)
pk
- a PrivateKey objecthashAlgorithm
- the hash algorithm (e.g. "SHA-1", "SHA-256",...)provider
- the security provider (e.g. "BC")Method Detail |
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public java.lang.String getHashAlgorithm()
getHashAlgorithm
in interface ExternalSignature
ExternalSignature.getHashAlgorithm()
public java.lang.String getEncryptionAlgorithm()
getEncryptionAlgorithm
in interface ExternalSignature
ExternalSignature.getEncryptionAlgorithm()
public byte[] sign(byte[] b) throws java.security.GeneralSecurityException
sign
in interface ExternalSignature
message
- the message you want to be hashed and signed
java.security.GeneralSecurityException
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