-- Encrypts data with key.
CREATE FUNCTION pg_themis_scell_encrypt_seal(data bytea, key bytea)
    RETURNS bytea
    AS 'pg_themis', 'pg_themis_scell_encrypt_seal' LANGUAGE c STRICT;
-- Decrypts data with key.
CREATE FUNCTION pg_themis_scell_decrypt_seal(encrypted_data bytea, key bytea)
    RETURNS bytea
    AS 'pg_themis', 'pg_themis_scell_decrypt_seal' LANGUAGE c STRICT;
-- Encrypts data with public key.
CREATE FUNCTION pg_themis_smessage_encrypt(plain_data bytea, public_key bytea)
    RETURNS bytea
    AS 'pg_themis', 'pg_themis_smessage_encrypt' LANGUAGE c STRICT;
-- Decrypts data with private_key.
CREATE FUNCTION pg_themis_smessage_decrypt(encrypted_data bytea, private_key bytea)
    RETURNS bytea
    AS 'pg_themis', 'pg_themis_smessage_decrypt' LANGUAGE c STRICT;