Package org.h2.security
Interface BlockCipher
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Field Summary
Fields Modifier and Type Field Description static int
ALIGN
Blocks sizes are always multiples of this number.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
decrypt(byte[] bytes, int off, int len)
Decrypt a number of bytes.void
encrypt(byte[] bytes, int off, int len)
Encrypt a number of bytes.int
getKeyLength()
Get the length of the key in bytes.void
setKey(byte[] key)
Set the encryption key used for encrypting and decrypting.
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Field Detail
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ALIGN
static final int ALIGN
Blocks sizes are always multiples of this number.- See Also:
- Constant Field Values
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Method Detail
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setKey
void setKey(byte[] key)
Set the encryption key used for encrypting and decrypting. The key needs to be 16 bytes long.- Parameters:
key
- the key
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encrypt
void encrypt(byte[] bytes, int off, int len)
Encrypt a number of bytes. This is done in-place, that means the bytes are overwritten.- Parameters:
bytes
- the byte arrayoff
- the start indexlen
- the number of bytes to encrypt
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decrypt
void decrypt(byte[] bytes, int off, int len)
Decrypt a number of bytes. This is done in-place, that means the bytes are overwritten.- Parameters:
bytes
- the byte arrayoff
- the start indexlen
- the number of bytes to decrypt
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getKeyLength
int getKeyLength()
Get the length of the key in bytes.- Returns:
- the length of the key
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