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- java.lang.Object
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- java.security.spec.EncodedKeySpec
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- java.security.spec.X509EncodedKeySpec
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- All Implemented Interfaces:
- KeySpec
public class X509EncodedKeySpec extends EncodedKeySpec
This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 typeSubjectPublicKeyInfo
. TheSubjectPublicKeyInfo
syntax is defined in the X.509 standard as follows:SubjectPublicKeyInfo ::= SEQUENCE { algorithm AlgorithmIdentifier, subjectPublicKey BIT STRING }
- Since:
- 1.2
- See Also:
Key
,KeyFactory
,KeySpec
,EncodedKeySpec
,PKCS8EncodedKeySpec
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Constructor Summary
Constructors Constructor and Description X509EncodedKeySpec(byte[] encodedKey)
Creates a new X509EncodedKeySpec with the given encoded key.
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Method Summary
Methods Modifier and Type Method and Description byte[]
getEncoded()
Returns the key bytes, encoded according to the X.509 standard.String
getFormat()
Returns the name of the encoding format associated with this key specification.
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Constructor Detail
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X509EncodedKeySpec
public X509EncodedKeySpec(byte[] encodedKey)
Creates a new X509EncodedKeySpec with the given encoded key.- Parameters:
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.- Throws:
NullPointerException
- ifencodedKey
is null.
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Method Detail
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getEncoded
public byte[] getEncoded()
Returns the key bytes, encoded according to the X.509 standard.- Overrides:
getEncoded
in classEncodedKeySpec
- Returns:
- the X.509 encoding of the key. Returns a new array each time this method is called.
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getFormat
public final String getFormat()
Returns the name of the encoding format associated with this key specification.- Specified by:
getFormat
in classEncodedKeySpec
- Returns:
- the string
"X.509"
.
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