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java.lang.Object | +--net.rim.device.api.crypto.PSSSignatureVerifier
The PSSSignatureVerifier class can verify an RSA Signature
Scheme with Appendix - Probabilistic Signature Scheme RSA (PSS) signature.
We implemented PSS as per it's description in the PKCS #1 version 2.1 document.
Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
PSSSignatureSigner| Constructor Summary | ||
|
PSSSignatureVerifier(RSAPublicKey key,
byte[] signature,
int signatureOffset)
Constructs an RSA PSSSignatureVerifier object which uses the SHA-1 digest. |
|
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PSSSignatureVerifier(RSAPublicKey key,
Digest digest,
byte[] signature,
int signatureOffset)
Constructs an RSA PSSSignatureVerifier object which uses the given digest. |
|
| Method Summary | ||
|
String |
getAlgorithm()
Returns the name of the signing algorithm used ("RSA_PSS/" + digest algorithm name). |
|
void |
update(byte[] data)
Adds additional message data to the signature. |
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void |
update(byte[] data,
int offset,
int length)
Adds additional message data to the signature. |
|
void |
update(int data)
Adds additional message data to the signature. |
|
boolean |
verify()
Returns true if the signature is valid, false otherwise. |
| Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public PSSSignatureVerifier(RSAPublicKey key, byte[] signature, int signatureOffset) throws InvalidSignatureEncodingException
PSSSignatureVerifier object which uses the SHA-1 digest.
key - The public key used to verify the signature.signature - A byte array containing the signature to be verified.signatureOffset - The offset, or initial position, of the signature
within the array.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
public PSSSignatureVerifier(RSAPublicKey key, Digest digest, byte[] signature, int signatureOffset) throws InvalidSignatureEncodingException
PSSSignatureVerifier object which uses the given digest.
key - The public key used to verify the signature.digest - The digest used to process the message.signature - The signature to be verified.signatureOffset - The offset, or starting position of the signature
within the array.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
| Method Detail |
public String getAlgorithm()
Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
public void update(byte[] data)
SignatureVerifier
SignatureVerifierdata - A byte array containing the message data to hash.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
public void update(byte[] data,
int offset,
int length)
SignatureVerifier
SignatureVerifierdata - The message data to hash.offset - The offset, or initial position to start reading in the data.length - The amount of data to read.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
public void update(int data)
SignatureVerifier
SignatureVerifierdata - The byte to be hashed.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
public boolean verify()
throws CryptoTokenException,
CryptoUnsupportedOperationException
SignatureVerifier
SignatureVerifierCryptoTokenException - Thrown when a problem occurs with a crypto
token or the crypto token is invalid.CryptoUnsupportedOperationException - Thrown when a call is made to
an unsupported operation.Certicom Contact Information
Phone:613-254-9258
Email: sales@certicom.com
Website: http://www.certicom.com/rim
Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.
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