{
  "number": 9963,
  "title": "Legacy RSASSA-PKCS1-v1_5 Code Points for TLS 1.3",
  "authors": [
    "D. Benjamin",
    "A. Popov"
  ],
  "published": "2026-04",
  "status": "Proposed Standard",
  "stream": "IETF",
  "area": "sec",
  "working_group": "tls",
  "pages": 6,
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "abstract": "This document allocates code points for the use of RSASSA-PKCS1-v1_5 with client certificates in TLS 1.3. This removes an obstacle for some deployments to migrate to TLS 1.3.",
  "draft": "draft-ietf-tls-tls13-pkcs1-07",
  "doi": "10.17487/RFC9963",
  "urls": {
    "html": "https://rfc.dk/rfc9963/",
    "text": "https://rfc.dk/rfc9963.txt",
    "rfc_editor": "https://www.rfc-editor.org/rfc/rfc9963",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9963/"
  },
  "text_modified": "2026-04-28T23:21:22.413920945Z"
}