Support RFC 9802 LMS and XMSS in X.509 certificate and CSR generation#10572
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Frauschi wants to merge 1 commit into
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Support RFC 9802 LMS and XMSS in X.509 certificate and CSR generation#10572Frauschi wants to merge 1 commit into
Frauschi wants to merge 1 commit into
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Extend wc_MakeCert_ex/wc_SignCert_ex/wc_MakeCertReq_ex to issue HSS/LMS and
XMSS/XMSS^MT certificates and PKCS#10 requests, building on the existing
RFC 9802 verification support. New LMS_TYPE/XMSS_TYPE/XMSSMT_TYPE selectors,
wc_{Lms,Xmss}Key_PublicKeyToDer SPKI encoders, runtime signature-buffer
sizing, and sigType/key consistency checks. Generation is ASN.1-template
only, matching where the verification path lives.
Tests generate self-signed roots, CSRs and a CA->ECC-leaf chain in-process
and verify them, replacing the patched Bouncy Castle fixtures (only the stock
RFC 9802-aligned LMS interop anchor is kept).
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Extends wolfCrypt's certificate generation to issue HSS/LMS and XMSS/XMSS^MT certificates and PKCS#10 requests, building on the existing RFC 9802 verification support so the library can now both produce and consume stateful hash-based-signature certificates.
Changes
LMS_TYPE/XMSS_TYPE/XMSSMT_TYPEforwc_MakeCert_ex,wc_SignCert_ex, andwc_MakeCertReq_ex.wc_LmsKey_PublicKeyToDerandwc_XmssKey_PublicKeyToDerto emit RFC 9802 SubjectPublicKeyInfo.sigType/key consistency checks for the new algorithms.WOLFSSL_ASN_TEMPLATE), matching where the verification path already lives. Non-template builds reject these key types withALGO_ID_E.Tests
No change to default builds — the feature is gated behind the existing LMS/XMSS and certificate-generation options.