Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wNWz4-000sY0-12 for pgsql-committers@arkaria.postgresql.org; Thu, 14 May 2026 14:24:18 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wNWz2-00Ck5x-1o for pgsql-committers@arkaria.postgresql.org; Thu, 14 May 2026 14:24:16 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wMPc6-000mLM-0t for pgsql-committers@lists.postgresql.org; Mon, 11 May 2026 12:19:58 +0000 Received: from mahout.postgresql.org ([72.32.157.227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wMPbv-000000002cJ-1vf4 for pgsql-committers@lists.postgresql.org; Mon, 11 May 2026 12:19:58 +0000 Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wMPbn-0005al-1n for pgsql-committers@lists.postgresql.org; Mon, 11 May 2026 12:19:40 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wMPbn-0002av-1Q for pgsql-committers@lists.postgresql.org; Mon, 11 May 2026 12:19:39 +0000 Content-Type: multipart/mixed; boundary="===============0589178854060767923==" MIME-Version: 1.0 From: Noah Misch To: pgsql-committers@lists.postgresql.org Subject: pgsql: Add timingsafe_bcmp(), for constant-time memory comparison X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Mon, 11 May 2026 12:19:39 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============0589178854060767923== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 QWRkIHRpbWluZ3NhZmVfYmNtcCgpLCBmb3IgY29uc3RhbnQtdGltZSBtZW1vcnkgY29tcGFyaXNv bgoKdGltaW5nc2FmZV9iY21wKCkgc2hvdWxkIGJlIHVzZWQgaW5zdGVhZCBvZiBtZW1jbXAoKSBv ciBhIG5haXZlCmZvci1sb29wLCB3aGVuIGNvbXBhcmluZyBwYXNzd29yZHMgb3Igc2VjcmV0IHRv a2VucywgdG8gYXZvaWQgbGVha2luZwppbmZvcm1hdGlvbiBhYm91dCB0aGUgc2VjcmV0IHRva2Vu IGJ5IHRpbWluZy4gVGhpcyBjb21taXQganVzdAppbnRyb2R1Y2VzIHRoZSBmdW5jdGlvbiBidXQg ZG9lcyBub3QgY2hhbmdlIGFueSBleGlzdGluZyBjb2RlIHRvIHVzZQppdCB5ZXQuCgpUaGlzIGhh cyBiZWVuIGluaXRpYWxseSBhcHBsaWVkIGFzIG9mIDA5YmUzOTExMjY1NCBpbiB2MTggYW5kIG5l d2VyCnZlcnNpb25zLCBhbmQgd2lsbCBiZSB1c2VkIGluIGFsbCB0aGUgc3RhYmxlIGJyYW5jaGVz IGZvciBhbiB1cGNvbWluZwpmaXguCgpDby1hdXRob3JlZC1ieTogSmVsdGUgRmVubmVtYS1OaW8g PGdpdGh1Yi10ZWNoQGplbHRlZi5ubD4KRGlzY3Vzc2lvbjogaHR0cHM6Ly93d3cucG9zdGdyZXNx bC5vcmcvbWVzc2FnZS1pZC83Yjg2ZGEzYi05MzU2LTRlNTAtYWExYi01NjU3MDgyNWUyMzRAaWtp LmZpClNlY3VyaXR5OiBDVkUtMjAyNi02NDc4CkJhY2twYXRjaC10aHJvdWdoOiAxNAoKQnJhbmNo Ci0tLS0tLQpSRUxfMTZfU1RBQkxFCgpEZXRhaWxzCi0tLS0tLS0KaHR0cHM6Ly9naXQucG9zdGdy ZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi8xNjA0OTM5YjIyMTBiOTNlMzQ1NzJlZTZkZjQ5OWQxMDM4 NDljNTNlCkF1dGhvcjogSGVpa2tpIExpbm5ha2FuZ2FzIDxoZWlra2kubGlubmFrYW5nYXNAaWtp LmZpPgoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0KY29uZmlndXJlICAgICAgICAgICAg ICAgICAgIHwgMjMgKysrKysrKysrKysrKysrKysrKysrKysKY29uZmlndXJlLmFjICAgICAgICAg ICAgICAgIHwgIDMgKystCm1lc29uLmJ1aWxkICAgICAgICAgICAgICAgICB8ICAyICsrCnNyYy9p bmNsdWRlL3BnX2NvbmZpZy5oLmluICB8ICA3ICsrKysrKysKc3JjL2luY2x1ZGUvcG9ydC5oICAg ICAgICAgIHwgIDQgKysrKwpzcmMvcG9ydC9tZXNvbi5idWlsZCAgICAgICAgfCAgMSArCnNyYy9w b3J0L3RpbWluZ3NhZmVfYmNtcC5jICB8IDQzICsrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysKc3JjL3Rvb2xzL21zdmMvTWt2Y2J1aWxkLnBtIHwgIDIgKy0Kc3JjL3Rv b2xzL21zdmMvU29sdXRpb24ucG0gIHwgIDIgKysKOSBmaWxlcyBjaGFuZ2VkLCA4NSBpbnNlcnRp b25zKCspLCAyIGRlbGV0aW9ucygtKQoK --===============0589178854060767923==--