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public interface Cipher
Wrapper for a cryptographic cipher, used either for encryption or decryption.
Nested Class Summary | |
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static class |
Cipher.Mode
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Method Summary | |
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int |
getBlockSize()
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int |
getIVSize()
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void |
init(Cipher.Mode mode,
byte[] key,
byte[] iv)
Initialize the cipher for encryption or decryption with the given private key and initialization vector |
void |
update(byte[] input,
int inputOffset,
int inputLen)
Performs in-place encryption or decryption on the given data. |
Method Detail |
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int getBlockSize()
int getIVSize()
void init(Cipher.Mode mode, byte[] key, byte[] iv)
mode
- whether this instance wil encrypt or decryptkey
- the key for the cipheriv
- initialization vectorvoid update(byte[] input, int inputOffset, int inputLen)
input
- the subjectinputOffset
- offset at which to startinputLen
- number of bytes starting at inputOffset
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