reticulum-zero/src/crypto/sha256.zig

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

pub const defaultImplementation = struct {
    
    const Sha256 = @import("std").crypto.hash.sha2.Sha256;

    const HASH_LEN = 32; // In bytes

    pub fn hash(buffer: []const u8, out: []u8) !void {
        if (out.len < HASH_LEN) {
            return error.BufferTooShort;
        }
        Sha256.hash(buffer, out, .{});
    }
};