From d35d086ae6206b706c9116d0376cabbdf6a25650 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 16 Jan 2023 22:19:49 -0700
Subject: [PATCH] std.crypto.Certificate: add more object id

---
 lib/std/crypto/Certificate.zig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/std/crypto/Certificate.zig b/lib/std/crypto/Certificate.zig
index 5785b40433..2916239f16 100644
--- a/lib/std/crypto/Certificate.zig
+++ b/lib/std/crypto/Certificate.zig
@@ -87,10 +87,12 @@ pub const Attribute = enum {
 
 pub const NamedCurve = enum {
     secp384r1,
+    secp521r1,
     X9_62_prime256v1,
 
     pub const map = std.ComptimeStringMap(NamedCurve, .{
         .{ &[_]u8{ 0x2B, 0x81, 0x04, 0x00, 0x22 }, .secp384r1 },
+        .{ &[_]u8{ 0x2B, 0x81, 0x04, 0x00, 0x23 }, .secp521r1 },
         .{ &[_]u8{ 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07 }, .X9_62_prime256v1 },
     });
 };
@@ -754,6 +756,9 @@ fn verify_ecdsa(
     };
 
     switch (sig_named_curve) {
+        .secp521r1 => {
+            return error.CertificateSignatureNamedCurveUnsupported;
+        },
         .secp384r1 => {
             const P = crypto.ecc.P384;
             const Ecdsa = crypto.sign.ecdsa.Ecdsa(P, Hash);