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java.lang.Objectnet.rim.device.api.crypto.encoder.SignatureDecoder
net.rim.device.api.crypto.encoder.X509_SignatureDecoder
public class X509_SignatureDecoder
Implements the signature decoder for X509.
Constructor Summary | ||
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X509_SignatureDecoder()
Creates a new X509_SignatureDecoder object. |
Method Summary | ||
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protected DecodedSignature |
decodeSignature(InputStream encodedSignature,
String signatureAlgorithm,
String digestAlgorithm)
Decodes a signature given the specified signature data and a String representing the signatureAlgorithm. |
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protected DecodedSignature |
decodeSignature(ASN1InputByteArray parameters,
byte[] encodedSignature,
String signatureAlgorithm,
String digestAlgorithm)
Decodes a signature given the parameters of the encoding, a byte array containing the encoded signature, and a String representing the name of the algorithm. |
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protected String |
getEncodingAlgorithm()
Returns the encoding algorithm used, "X509". |
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protected String[] |
getSignatureAlgorithms()
Returns the signature algorithm used, such as ("DSA", "RSA_PKCS1_SHA1"). |
Methods inherited from class net.rim.device.api.crypto.encoder.SignatureDecoder |
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decode, decode, decode, decode, decode, getDecoder, register |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public X509_SignatureDecoder()
X509_SignatureDecoder
object.
This is the default constructor.
Method Detail |
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protected DecodedSignature decodeSignature(InputStream encodedSignature, String signatureAlgorithm, String digestAlgorithm) throws NoSuchAlgorithmException, InvalidSignatureEncodingException
decodeSignature
in class SignatureDecoder
encodedSignature
- An input stream containing the encoded signature
data.signatureAlgorithm
- A String representing the signature algorithm.
NoSuchAlgorithmException
- Thrown if the specified algorithm is
invalid.
InvalidSignatureEncodingException
- Thrown if the encoded signature
is improperly formatted.protected DecodedSignature decodeSignature(ASN1InputByteArray parameters, byte[] encodedSignature, String signatureAlgorithm, String digestAlgorithm) throws NoSuchAlgorithmException, InvalidSignatureEncodingException
This method is typically implemented by a subclass to finish decoding the signature.
parameters
- The ASN1 byte array.encodedSignature
- A byte array containing the encoded signature.signatureAlgorithm
- A String representing the name of the signature
algorithm.
NoSuchAlgorithmException
- Thrown if the specified algorithm is
invalid.
InvalidSignatureEncodingException
- Thrown if the encoded signature
is improperly formatted.protected String getEncodingAlgorithm()
getEncodingAlgorithm
in class SignatureDecoder
protected String[] getSignatureAlgorithms()
getSignatureAlgorithms
in class SignatureDecoder
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