diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/crypto/engines/RSAEngine.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/crypto/engines/RSAEngine.java | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/engines/RSAEngine.java b/core/src/main/java/org/bouncycastle/crypto/engines/RSAEngine.java deleted file mode 100644 index 009dcd43..00000000 --- a/core/src/main/java/org/bouncycastle/crypto/engines/RSAEngine.java +++ /dev/null @@ -1,78 +0,0 @@ -package org.bouncycastle.crypto.engines; - -import org.bouncycastle.crypto.AsymmetricBlockCipher; -import org.bouncycastle.crypto.CipherParameters; -import org.bouncycastle.crypto.DataLengthException; - -/** - * this does your basic RSA algorithm. - */ -public class RSAEngine - implements AsymmetricBlockCipher -{ - private RSACoreEngine core; - - /** - * initialise the RSA engine. - * - * @param forEncryption true if we are encrypting, false otherwise. - * @param param the necessary RSA key parameters. - */ - public void init( - boolean forEncryption, - CipherParameters param) - { - if (core == null) - { - core = new RSACoreEngine(); - } - - core.init(forEncryption, param); - } - - /** - * Return the maximum size for an input block to this engine. - * For RSA this is always one byte less than the key size on - * encryption, and the same length as the key size on decryption. - * - * @return maximum size for an input block. - */ - public int getInputBlockSize() - { - return core.getInputBlockSize(); - } - - /** - * Return the maximum size for an output block to this engine. - * For RSA this is always one byte less than the key size on - * decryption, and the same length as the key size on encryption. - * - * @return maximum size for an output block. - */ - public int getOutputBlockSize() - { - return core.getOutputBlockSize(); - } - - /** - * Process a single block using the basic RSA algorithm. - * - * @param in the input array. - * @param inOff the offset into the input buffer where the data starts. - * @param inLen the length of the data to be processed. - * @return the result of the RSA process. - * @exception DataLengthException the input block is too large. - */ - public byte[] processBlock( - byte[] in, - int inOff, - int inLen) - { - if (core == null) - { - throw new IllegalStateException("RSA engine not initialised"); - } - - return core.convertOutput(core.processBlock(core.convertInput(in, inOff, inLen))); - } -} |