public Class OpenSSHPublicKeyUtil

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.crypto.util.OpenSSHPublicKeyUtil

Imports

java.io.IOException, java.math.BigInteger, org.bouncycastle.asn1.ASN1ObjectIdentifier, org.bouncycastle.asn1.x9.X9ECParameters, org.bouncycastle.crypto.params.AsymmetricKeyParameter, .DSAParameters, .DSAPublicKeyParameters, .ECNamedDomainParameters, .ECPublicKeyParameters, .Ed25519PublicKeyParameters, .RSAKeyParameters, org.bouncycastle.math.ec.ECCurve

OpenSSHPublicKeyUtil utility classes for parsing OpenSSH public keys.

Field Summary

Modifier and Type	Field and Description
private static final String	DSS
private static final String	ECDSA
private static final String	ED_25519
private static final String	FIDO2_EC_P256
private static final String	FIDO_ED_25519
private static final String	RSA

Constructor Summary

Access	Constructor and Description
private	OpenSSHPublicKeyUtil()

Method Summary

Modifier and Type	Method and Description
public static byte[]	Returns: the key OpenSSH encoded. encodePublicKey(AsymmetricKeyParameter The key to encode. cipherParameters) Encode a public key from an AsymmetricKeyParameter instance.
public static AsymmetricKeyParameter	Returns: An AsymmetricKeyParameter instance. parsePublicKey(byte[] The key. encoded) Parse a public key.
public static AsymmetricKeyParameter	Returns: A CipherParameters instance. parsePublicKey(SSHBuffer containing the SSH public key. buffer) Parse a public key from an SSHBuffer instance.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

DSS	back to summary
private static final String DSS

ECDSA	back to summary
private static final String ECDSA

ED_25519	back to summary
private static final String ED_25519

FIDO2_EC_P256	back to summary
private static final String FIDO2_EC_P256

FIDO_ED_25519	back to summary
private static final String FIDO_ED_25519

RSA	back to summary
private static final String RSA

Constructor Detail

OpenSSHPublicKeyUtil	back to summary
private OpenSSHPublicKeyUtil()

Method Detail

encodePublicKey	back to summary
public static byte[] encodePublicKey(AsymmetricKeyParameter cipherParameters) throws IOException Encode a public key from an AsymmetricKeyParameter instance. Parameters cipherParameters:AsymmetricKeyParameter The key to encode. Returns:byte[] the key OpenSSH encoded.

encodePublicKey

back to summary

public static byte[] encodePublicKey(AsymmetricKeyParameter cipherParameters) throws IOException

Encode a public key from an AsymmetricKeyParameter instance.

Parameters

cipherParameters:AsymmetricKeyParameter: The key to encode.

Returns:byte[]

the key OpenSSH encoded.

parsePublicKey	back to summary
public static AsymmetricKeyParameter parsePublicKey(byte[] encoded) Parse a public key. This method accepts the bytes that are Base64 encoded in an OpenSSH public key file. Parameters encoded:byte[] The key. Returns:AsymmetricKeyParameter An AsymmetricKeyParameter instance.

parsePublicKey

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public static AsymmetricKeyParameter parsePublicKey(byte[] encoded)

Parse a public key.

This method accepts the bytes that are Base64 encoded in an OpenSSH public key file.

Parameters

encoded:byte[]: The key.

Returns:AsymmetricKeyParameter

An AsymmetricKeyParameter instance.

parsePublicKey	back to summary
public static AsymmetricKeyParameter parsePublicKey(SSHBuffer buffer) Parse a public key from an SSHBuffer instance. Parameters buffer:SSHBuffer containing the SSH public key. Returns:AsymmetricKeyParameter A CipherParameters instance.

parsePublicKey

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public static AsymmetricKeyParameter parsePublicKey(SSHBuffer buffer)

Parse a public key from an SSHBuffer instance.

Parameters

buffer:SSHBuffer: containing the SSH public key.

Returns:AsymmetricKeyParameter

A CipherParameters instance.