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java.lang.Object | +--net.rim.device.api.crypto.PKCS1SignatureVerifier
The PKCS1SignatureVerifier class can verify an RSA PKCS#1 signature.
We implemented the PKCS1 verification as per the PKCS #1 version 2.1 document.
For a code sample using the PKCS1 signature verifier, click here.
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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
PKCS1SignatureSigner| Constructor Summary | ||
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PKCS1SignatureVerifier(RSAPublicKey key,
byte[] signature,
int signatureOffset)
Constructs an RSA PKCS1SignatureVerifier object which uses the SHA-1 digest. |
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PKCS1SignatureVerifier(RSAPublicKey key,
Digest digest,
byte[] signature,
int signatureOffset)
Constructs an RSA PKCS1SignatureVerifier object which uses the given digest. |
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| Method Summary | ||
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String |
getAlgorithm()
Returns the name of the signing algorithm used ("RSA_PKCS1_(V15 or V20)/" + digest algorithm name). |
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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. |
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void |
update(int data)
Adds additional message data to the signature. |
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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 PKCS1SignatureVerifier(RSAPublicKey key, byte[] signature, int signatureOffset) throws InvalidSignatureEncodingException, CryptoTokenException, CryptoUnsupportedOperationException
PKCS1SignatureVerifier object which uses the SHA-1 digest.
key - The public key used to verify the signature.signature - The signature to be verified.signatureOffset - The offset, or the start position, of the
signature data 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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
public PKCS1SignatureVerifier(RSAPublicKey key, Digest digest, byte[] signature, int signatureOffset) throws InvalidSignatureEncodingException, CryptoTokenException, CryptoUnsupportedOperationException
PKCS1SignatureVerifier 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 start position, of the signature
data 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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
| 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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
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 clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.
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