pub const Implementation = struct {
    
    hash: *const fn (buffer: []const u8, out: []u8) void,
};

pub const defaultImplementation = struct {
    
    const Sha512 = @import("std").crypto.sha2.Sha512;

    const HASH_LEN = 64; // In bytes

    pub fn hash(buffer: []const u8, out: []u8) !void {
        if (out.len < HASH_LEN) {
            return error.BufferTooShort;
        }
        Sha512.hash(buffer, out, .{});
    }
};