org.bouncycastle.cms
Class SignerInformation
java.lang.Object
org.bouncycastle.cms.SignerInformation
public class SignerInformation
extends java.lang.Object
an expanded SignerInfo block from a CMS Signed message
byte[] | getContentDigest() - return the content digest that was calculated during verification.
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String | getDigestAlgOID() - return the object identifier for the signature.
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byte[] | getDigestAlgParams() - return the signature parameters, or null if there aren't any.
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byte[] | getEncodedSignedAttributes() - return the DER encoding of the signed attributes.
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String | getEncryptionAlgOID() - return the object identifier for the signature.
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byte[] | getEncryptionAlgParams() - return the signature/encyrption algorithm parameters, or null if
there aren't any.
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SignerId | getSID()
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byte[] | getSignature() - return the encoded signature
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AttributeTable | getSignedAttributes() - return a table of the signed attributes - indexed by
the OID of the attribute.
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AttributeTable | getUnsignedAttributes() - return a table of the unsigned attributes indexed by
the OID of the attribute.
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int | getVersion() - return the version number for this objects underlying SignerInfo structure.
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static SignerInformation | replaceUnsignedAttributes(SignerInformation signerInformation, AttributeTable unsignedAttributes) - Return a signer information object with the passed in unsigned
attributes replacing the ones that are current associated with
the object passed in.
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boolean | verify(PublicKey key, String sigProvider) - verify that the given public key succesfully handles and confirms the
signature associated with this signer.
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boolean | verify(X509Certificate cert, String sigProvider) - verify that the given certificate succesfully handles and confirms
the signature associated with this signer and, if a signingTime
attribute is available, that the certificate was valid at the time the
signature was generated.
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getContentDigest
public byte[] getContentDigest()
return the content digest that was calculated during verification.
getDigestAlgOID
public String getDigestAlgOID()
return the object identifier for the signature.
getDigestAlgParams
public byte[] getDigestAlgParams()
return the signature parameters, or null if there aren't any.
getEncodedSignedAttributes
public byte[] getEncodedSignedAttributes()
throws IOException
return the DER encoding of the signed attributes.
getEncryptionAlgOID
public String getEncryptionAlgOID()
return the object identifier for the signature.
getEncryptionAlgParams
public byte[] getEncryptionAlgParams()
return the signature/encyrption algorithm parameters, or null if
there aren't any.
getSignature
public byte[] getSignature()
return the encoded signature
getSignedAttributes
public AttributeTable getSignedAttributes()
return a table of the signed attributes - indexed by
the OID of the attribute.
getUnsignedAttributes
public AttributeTable getUnsignedAttributes()
return a table of the unsigned attributes indexed by
the OID of the attribute.
getVersion
public int getVersion()
return the version number for this objects underlying SignerInfo structure.
replaceUnsignedAttributes
public static SignerInformation replaceUnsignedAttributes(SignerInformation signerInformation,
AttributeTable unsignedAttributes)
Return a signer information object with the passed in unsigned
attributes replacing the ones that are current associated with
the object passed in.
signerInformation
- the signerInfo to be used as the basis.unsignedAttributes
- the unsigned attributes to add.
- a copy of the original SignerInformationObject with the changed attributes.
verify
public boolean verify(PublicKey key,
String sigProvider)
throws NoSuchAlgorithmException,
NoSuchProviderException,
CMSException
verify that the given public key succesfully handles and confirms the
signature associated with this signer.
verify
public boolean verify(X509Certificate cert,
String sigProvider)
throws NoSuchAlgorithmException,
NoSuchProviderException,
CertificateExpiredException,
CertificateNotYetValidException,
CMSException
verify that the given certificate succesfully handles and confirms
the signature associated with this signer and, if a signingTime
attribute is available, that the certificate was valid at the time the
signature was generated.