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Java Platform 1.2 |
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The Key interface is the top-level interface for all keys. It defines the functionality shared by all key objects. All keys have three characteristics:
This is the key algorithm for that key. The key algorithm is usually an encryption or asymmetric operation algorithm (such as DSA or RSA), which will work with those algorithms and with related algorithms (such as MD5 with RSA, SHA-1 with RSA, Raw DSA, etc.) The name of the algorithm of a key is obtained using the getAlgorithm method.
This is an external encoded form for the key used when a standard representation of the key is needed outside the Java Virtual Machine, as when transmitting the key to some other party. The key is encoded according to a standard format (such as X.509 or PKCS#8), and is returned using the getEncoded method.
This is the name of the format of the encoded key. It is returned by the getFormat method.
KeyFactory
).
PublicKey
,
PrivateKey
,
KeyPair
,
KeyPairGenerator
,
KeyFactory
,
KeySpec
,
Identity
,
Signer
Field Summary | |
static long |
serialVersionUID
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Fields inherited from class java.io.Serializable |
serialVersionUID |
Method Summary | |
String |
getAlgorithm()
Returns the standard algorithm name for this key. |
byte[] |
getEncoded()
Returns the key in its primary encoding format, or null if this key does not support encoding. |
String |
getFormat()
Returns the name of the primary encoding format of this key, or null if this key does not support encoding. |
Field Detail |
public static final long serialVersionUID
Method Detail |
public String getAlgorithm()
public String getFormat()
"X.509"
. Similarly,
the name of the ASN.1 data format for private keys is
PrivateKeyInfo,
as defined by the PKCS #8 standard; in this case, the returned format is
"PKCS#8"
.public byte[] getEncoded()
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Java Platform 1.2 |
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