#include "pgsodium.h"

PG_FUNCTION_INFO_V1(pgsodium_crypto_hash_sha256);
Datum pgsodium_crypto_hash_sha256(PG_FUNCTION_ARGS) {
    size_t result_size = VARHDRSZ + crypto_hash_sha256_BYTES;
    bytea *message = PG_GETARG_BYTEA_P(0);
    bytea *result = _pgsodium_zalloc_bytea(result_size);
    crypto_hash_sha256(PGSODIUM_UCHARDATA(result),
                       PGSODIUM_UCHARDATA(message),
                       VARSIZE_ANY_EXHDR(message));
    PG_RETURN_BYTEA_P(result);
}

PG_FUNCTION_INFO_V1(pgsodium_crypto_hash_sha512);
Datum pgsodium_crypto_hash_sha512(PG_FUNCTION_ARGS) {
    size_t result_size = VARHDRSZ + crypto_hash_sha512_BYTES;
    bytea *message = PG_GETARG_BYTEA_P(0);
    bytea *result = _pgsodium_zalloc_bytea(result_size);
    crypto_hash_sha512(PGSODIUM_UCHARDATA(result),
                       PGSODIUM_UCHARDATA(message),
                       VARSIZE_ANY_EXHDR(message));
    PG_RETURN_BYTEA_P(result);
}