KeySpecpublic class PKCS8EncodedKeySpec extends EncodedKeySpec
PrivateKeyInfo. The PrivateKeyInfo syntax is defined in the PKCS#8 standard as follows:
PrivateKeyInfo ::= SEQUENCE {
version Version,
privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
privateKey PrivateKey,
attributes [0] IMPLICIT Attributes OPTIONAL }
Version ::= INTEGER
PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
PrivateKey ::= OCTET STRING
Attributes ::= SET OF Attribute
| Constructor | Description |
|---|---|
PKCS8EncodedKeySpec |
Creates a new PKCS8EncodedKeySpec with the given encoded key. |
PKCS8EncodedKeySpec |
Creates a new PKCS8EncodedKeySpec with the given encoded key and algorithm. |
| Modifier and Type | Method | Description |
|---|---|---|
byte[] |
getEncoded() |
Returns the key bytes, encoded according to the PKCS #8 standard. |
final String |
getFormat() |
Returns the name of the encoding format associated with this key specification. |
getAlgorithm
public PKCS8EncodedKeySpec(byte[] encodedKey)
PKCS8EncodedKeySpec with the given encoded key.encodedKey - the key, which is assumed to be encoded according to the PKCS #8 standard. The contents of the array are copied to protect against subsequent modification.NullPointerException - if encodedKey is null.public PKCS8EncodedKeySpec(byte[] encodedKey, String algorithm)
PKCS8EncodedKeySpec with the given encoded key and algorithm. This constructor is useful when subsequent callers of the PKCS8EncodedKeySpec object might not know the algorithm of the private key.encodedKey - the key, which is assumed to be encoded according to the PKCS #8 standard. The contents of the array are copied to protect against subsequent modification.algorithm - the algorithm name of the encoded private 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
"PKCS#8".
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/security/spec/PKCS8EncodedKeySpec.html