Sign-then-encrypt functionality

derecalliance / cryptography

cryptography primitives (secret sharing, secure channel) for implementing the DeRec protocol

Apache License 2.0

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Sign-then-encrypt functionality #14

Closed rsinha closed 8 months ago

rsinha commented 9 months ago

Adds a sign-then-encrypt method, in addition to the underlying signing and encryption methods (which are used in pairing). The implementation uses the ECIES scheme for encryption, and ECDSA for signatures -- both using secp256 curve.