KeySpecpublic class X509EncodedKeySpec extends EncodedKeySpec
SubjectPublicKeyInfo. The SubjectPublicKeyInfo syntax is defined in the X.509 standard as follows:
SubjectPublicKeyInfo ::= SEQUENCE {
algorithm AlgorithmIdentifier,
subjectPublicKey BIT STRING }
| Constructor | Description |
|---|---|
X509EncodedKeySpec |
Creates a new X509EncodedKeySpec with the given encoded key. |
X509EncodedKeySpec |
Creates a new X509EncodedKeySpec with the given encoded key. |
| Modifier and Type | Method | Description |
|---|---|---|
byte[] |
getEncoded() |
Returns the key bytes, encoded according to the X.509 standard. |
final String |
getFormat() |
Returns the name of the encoding format associated with this key specification. |
getAlgorithm
public X509EncodedKeySpec(byte[] encodedKey)
X509EncodedKeySpec with the given encoded key.encodedKey - the key, which is assumed to be encoded according to the X.509 standard. The contents of the array are copied to protect against subsequent modification.NullPointerException - if encodedKey is null.public X509EncodedKeySpec(byte[] encodedKey, String algorithm)
X509EncodedKeySpec with the given encoded key. This constructor is useful when subsequent callers of the X509EncodedKeySpec object might not know the algorithm of the key.encodedKey - the key, which is assumed to be encoded according to the X.509 standard. The contents of the array are copied to protect against subsequent modification.algorithm - the algorithm name of the encoded public key See the KeyFactory section in the Java Security Standard Algorithm Names Specification for information about standard algorithm names.NullPointerException - if encodedKey or algorithm is null.IllegalArgumentException - if algorithm is the empty string ""
public byte[] getEncoded()
getEncoded in class EncodedKeySpec
public final String getFormat()
getFormat in class EncodedKeySpec
"X.509".
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/spec/X509EncodedKeySpec.html