From f611a72e2eb7bba2ef5fc5f578ced3c711ff7374 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Tue, 14 Jul 2026 01:17:41 -0700
Subject: [PATCH] std.crypto.Certificate.rsa.PKCS1v1_5Signature: add DER for
 more hashes

---
 lib/std/crypto/Certificate.zig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/std/crypto/Certificate.zig b/lib/std/crypto/Certificate.zig
index b725e932b418b36741ec2b4c38dbae7d6369c825..f0d18e58a130cd18d0eb8c00dba3b6f32903c802 100644
--- a/lib/std/crypto/Certificate.zig
+++ b/lib/std/crypto/Certificate.zig
@@ -1243,6 +1243,11 @@ pub const rsa = struct {
             //    DigestInfo value (see the notes below) and let tLen be the length
             //    in octets of T.
             const hash_der: []const u8 = &switch (Hash) {
+                crypto.hash.Md5 => .{
+                    0x30, 0x20, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86,
+                    0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05, 0x05, 0x00,
+                    0x04, 0x10,
+                },
                 crypto.hash.Sha1 => .{
                     0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e,
                     0x03, 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14,
@@ -1267,6 +1272,16 @@ pub const rsa = struct {
                     0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
                     0x00, 0x04, 0x40,
                 },
+                crypto.hash.sha3.Sha3_256 => .{
+                    0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86,
+                    0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x08, 0x05,
+                    0x00, 0x04, 0x20,
+                },
+                crypto.hash.sha3.Sha3_512 => .{
+                    0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86,
+                    0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x0a, 0x05,
+                    0x00, 0x04, 0x40,
+                },
                 else => comptime unreachable,
             };
             em_index -= hash_der.len;
-- 
2.54.0