#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);
}