Package net.i2p.data

Class KeyCertificate

  • All Implemented Interfaces:
    Serializable, DataStructure
    public class KeyCertificate
extends Certificate
    This certificate type gets its own class because it's going to be used a lot. Format is: 2 byte sig type, 2 byte crypto type, excess sig data, excess crypto data. The crypto type is assumed to be always 0x0000 (ElG) for now.
    Since:
    0.9.12
    See Also:
    Serialized Form

    • Field Detail

      • Ed25519_PAYLOAD

        static final byte[] Ed25519_PAYLOAD
        Since:
        0.9.22 pkg private for Certificate.create()

      • ECDSA256_PAYLOAD

        static final byte[] ECDSA256_PAYLOAD
        Since:
        0.9.22 pkg private for Certificate.create()

      • ELG_ECDSA256_CERT

        public static final KeyCertificate ELG_ECDSA256_CERT
        An immutable ElG/ECDSA-P256 certificate.

      • ELG_Ed25519_CERT

        public static final KeyCertificate ELG_Ed25519_CERT
        An immutable ElG/Ed25519 certificate.
        Since:
        0.9.22

    • Constructor Detail

      • KeyCertificate

        public KeyCertificate​(SigningPublicKey spk)
        A KeyCertificate with crypto type 0 (ElGamal) and the signature type and extra data from the given public key.
        Parameters:
        spk - non-null data non-null
        Throws:
        IllegalArgumentException

      • KeyCertificate

        public KeyCertificate​(SigType type)
        A KeyCertificate with crypto type 0 (ElGamal) and the signature type as specified. Payload is created. If type.getPubkeyLen() is greater than 128, caller MUST fill in the extra key data in the payload.
        Parameters:
        type - non-null
        Throws:
        IllegalArgumentException

    • Method Detail

      • getSigTypeCode

        public int getSigTypeCode()
        Returns:
        -1 if unset

      • getCryptoTypeCode

        public int getCryptoTypeCode()
        Returns:
        -1 if unset

      • getSigType

        public SigType getSigType()
        Returns:
        null if unset or unknown

      • getExtraKeyData

        public byte[] getExtraKeyData()
        Signing Key extra data, if any, is first in the array. Crypto Key extra data, if any, is second in the array, at offset max(0, getSigType().getPubkeyLen() - 128)
        Returns:
        null if unset or none

      • getExtraSigningKeyData

        public byte[] getExtraSigningKeyData()
        Signing Key extra data, if any.
        Returns:
        null if unset or none
        Throws:
        UnsupportedOperationException - if the sig type is unsupported