Decrypt binary. Algorithm is AES-GCM with 128 bits key, 128 bits tag and 96 bits IV. IV is read from head of cipher.

Encrypt binary. Algorithm is AES-GCM with 128 bits key, 128 bits tag and 96 bits IV. IV is prepended to cipher.

Generate exportable public-key pair for ECDH. Curve algorithm is "NIST P-256". Key format is SPKI for public-key and PKCS8 for private-key.

Generate exportable public-key pair for ECDSA. Curve algorithm is "NIST P-256". Key format is SPKI for public-key and PKCS8 for private-key.

Derive hash value from binary. Default is SHA-256.

Generate random binary with any number of bytes.

Create signature using private-key.

Verify signature using public-key.