Package org.jclouds.ssh

Class SshKeys

  • @Beta
public class SshKeys
extends Object
    Utilities for ssh key pairs
    See Also:

    • Constructor Detail

      • SshKeys

        public SshKeys()

    • Method Detail

      • publicKeySpecFromOpenSSH

        public static RSAPublicKeySpec publicKeySpecFromOpenSSH​(String idRsaPub)
        Executes Pems#publicKeySpecFromOpenSSH(ByteSource) on the string which was OpenSSH Base64 Encoded id_rsa.pub
        Parameters:
        idRsaPub - formatted ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAB...
        See Also:
        Pems#publicKeySpecFromOpenSSH(ByteSource)

      • publicKeySpecFromOpenSSH

        public static RSAPublicKeySpec publicKeySpecFromOpenSSH​(com.google.common.io.ByteSource supplier)
                                                 throws IOException
        Returns RSAPublicKeySpec which was OpenSSH Base64 Encoded id_rsa.pub
        Parameters:
        supplier - the input stream factory, formatted ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAB...
        Returns:
        the RSAPublicKeySpec which was OpenSSH Base64 Encoded id_rsa.pub
        Throws:
        IOException - if an I/O error occurs

      • generateRsaKeyPair

        public static KeyPair generateRsaKeyPair​(KeyPairGenerator generator,
                                         SecureRandom rand)
        Parameters:
        generator - to generate RSA key pairs
        rand - for initializing generator
        Returns:
        new 2048 bit keyPair
        See Also:
        Crypto#rsaKeyPairGenerator()

      • generate

        public static Map<String,​String> generate()
        return a "public" -> rsa public key, "private" -> its corresponding private key

      • privateKeyMatchesPublicKey

        public static boolean privateKeyMatchesPublicKey​(String privateKeyPEM,
                                                 String publicKeyOpenSSH)
        Parameters:
        privateKeyPEM - RSA private key in PEM format
        publicKeyOpenSSH - RSA public key in OpenSSH format
        Returns:
        true if the keypairs match

      • privateKeyMatchesPublicKey

        public static boolean privateKeyMatchesPublicKey​(RSAPrivateCrtKeySpec privateKey,
                                                 RSAPublicKeySpec publicKey)
        Returns:
        true if the keypairs match

      • privateKeyHasFingerprint

        public static boolean privateKeyHasFingerprint​(RSAPrivateCrtKeySpec privateKey,
                                               String fingerprint)
        Returns:
        true if the keypair has the same fingerprint as supplied

      • privateKeyHasFingerprint

        public static boolean privateKeyHasFingerprint​(String privateKeyPEM,
                                               String fingerprint)
        Parameters:
        privateKeyPEM - RSA private key in PEM format
        fingerprint - ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9
        Returns:
        true if the keypair has the same fingerprint as supplied

      • fingerprintPrivateKey

        public static String fingerprintPrivateKey​(String privateKeyPEM)
        Parameters:
        privateKeyPEM - RSA private key in PEM format
        Returns:
        fingerprint ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

      • fingerprintPublicKey

        public static String fingerprintPublicKey​(String publicKeyOpenSSH)
        Parameters:
        publicKeyOpenSSH - RSA public key in OpenSSH format
        Returns:
        fingerprint ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

      • privateKeyHasSha1

        public static boolean privateKeyHasSha1​(RSAPrivateCrtKeySpec privateKey,
                                        String fingerprint)
        Returns:
        true if the keypair has the same SHA1 fingerprint as supplied

      • privateKeyHasSha1

        public static boolean privateKeyHasSha1​(String privateKeyPEM,
                                        String sha1HexColonDelimited)
        Parameters:
        privateKeyPEM - RSA private key in PEM format
        sha1HexColonDelimited - ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9
        Returns:
        true if the keypair has the same fingerprint as supplied

      • sha1PrivateKey

        public static String sha1PrivateKey​(String privateKeyPEM)
        Parameters:
        privateKeyPEM - RSA private key in PEM format
        Returns:
        sha1HexColonDelimited ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

      • sha1

        public static String sha1​(RSAPrivateCrtKeySpec privateKey)
        Create a SHA-1 digest of the DER encoded private key.
        Parameters:
        publicExponent -
        modulus -
        Returns:
        hex sha1HexColonDelimited ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

      • publicKeyHasFingerprint

        public static boolean publicKeyHasFingerprint​(RSAPublicKeySpec publicKey,
                                              String fingerprint)
        Returns:
        true if the keypair has the same fingerprint as supplied

      • publicKeyHasFingerprint

        public static boolean publicKeyHasFingerprint​(String publicKeyOpenSSH,
                                              String fingerprint)
        Parameters:
        publicKeyOpenSSH - RSA public key in OpenSSH format
        fingerprint - ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9
        Returns:
        true if the keypair has the same fingerprint as supplied

      • fingerprint

        public static String fingerprint​(BigInteger publicExponent,
                                 BigInteger modulus)
        Create a fingerprint per the following spec
        Parameters:
        publicExponent -
        modulus -
        Returns:
        hex fingerprint ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9