@Immutable public final class CompositeKey extends Object
See RFC 7518 (JWA), section 5.2.
See draft-mcgrew-aead-aes-cbc-hmac-sha2-01
Constructor and Description |
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CompositeKey(SecretKey inputKey)
Creates a new composite key from the specified secret key.
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Modifier and Type | Method and Description |
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SecretKey |
getAESKey()
Gets the extracted encryption key.
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SecretKey |
getInputKey()
Gets the input key.
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SecretKey |
getMACKey()
Gets the extracted MAC key.
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int |
getTruncatedMACByteLength()
Gets the expected truncated MAC length.
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public CompositeKey(SecretKey inputKey) throws KeyLengthException
inputKey
- The input key. Must be 256, 384 or 512 bits long.
Must not be null
.KeyLengthException
- If the input key length is not supported.public SecretKey getInputKey()
public int getTruncatedMACByteLength()
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