presto-main/src/main/java/io/prestosql/operator/scalar/HmacFunctions.java/HmacFunctions/hmacSha512
class HmacFunctions:    @Description("Compute HMAC with SHA512")
    @ScalarFunction
    @SqlType(StandardTypes.VARBINARY)
    public static Slice hmacSha512(@SqlType(StandardTypes.VARBINARY) Slice slice, @SqlType(StandardTypes.VARBINARY) Slice key)
    {
        return wrappedBuffer(Hashing.hmacSha512(key.getBytes()).hashBytes(slice.getBytes()).asBytes());
    }