Package org.spongycastle.crypto.agreement
package org.spongycastle.crypto.agreement
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ClassesClassDescriptiona Diffie-Hellman key exchange engine.a Diffie-Hellman key agreement class.Standard Diffie-Hellman groups from various IETF specifications.FFC Unified static/ephemeral agreement as described in NIST SP 800-56A.P1363 7.2.1 ECSVDP-DH ECSVDP-DH is Elliptic Curve Secret Value Derivation Primitive, Diffie-Hellman version.P1363 7.2.2 ECSVDP-DHC ECSVDP-DHC is Elliptic Curve Secret Value Derivation Primitive, Diffie-Hellman version with cofactor multiplication.EC Unified static/ephemeral agreement as described in NIST SP 800-56A using EC co-factor Diffie-Hellman.GOST VKO key agreement class - RFC 7836 Section 4.3SM2 Key Exchange protocol - based on https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02Key agreement using X25519 or X448.