cron2 has submitted this change. ( http://gerrit.openvpn.net/c/openvpn/+/1046?usp=email )
Change subject: Added PQE to WolfSSL
......................................................................
Added PQE to WolfSSL
Change-Id: Ie0529c2074964b3be034f01e0ef53090a6edbd35
Signed-off-by: comododragon <rei...@fo...>
Acked-by: Arne Schwabe <arn...@rf...>
Message-Id: <202...@gr...>
URL: https://www.mail-archive.com/ope...@li.../msg32043.html
Signed-off-by: Gert Doering <ge...@gr...>
---
M README.wolfssl
M src/openvpn/ssl_openssl.c
2 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/README.wolfssl b/README.wolfssl
index a5dfe31..3918d0f 100644
--- a/README.wolfssl
+++ b/README.wolfssl
@@ -28,3 +28,33 @@
* blowfish support (BF-CBC), you must use something like
cipher AES-128-CBC to avoid trying to use BF-CBC
* Windows CryptoAPI support
+
+*************************************************************************
+To build WolfSSL with post-quantum KEMs built in, the following command is used:
+
+./configure --enable-openvpn --enable-kyber=all --enable-curve25519
+
+WolfSSL supports the following post-quantum KEMs and post-quantum hybrid KEMs which must be specified
+using the tls-groups option in an OpenVPN config. Unlike OpenSSL, which includes X25519MLKEM768
+in the default config, WolfSSL requires explicit configuration of tls-groups to include
+at least one post-quantum KEM.
+
+ML_KEM_512
+ML_KEM_768
+ML_KEM_1024
+
+P256_ML_KEM_512
+X25519_ML_KEM_512
+
+P384_ML_KEM_768
+P256_ML_KEM_768
+X448_ML_KEM_768
+X25519_ML_KEM_768
+
+P384_ML_KEM_1024
+P521_ML_KEM_1024
+
+The naming conventions of algorithms differ between WolfSSL and OpenSSL. An example is that
+OpenSSL omits underscores for their naming notation whereas WolfSSL expects them. Additionally,
+OpenSSL does not accept the P curve notation and instead uses the equivalent secp notation.
+A specific example is that WolfSSL expects P384_ML_KEM_1024, while OpenSSL expects secp384r1MLKEM1024.
diff --git a/src/openvpn/ssl_openssl.c b/src/openvpn/ssl_openssl.c
index 2fc77d8..4c11cd4 100644
--- a/src/openvpn/ssl_openssl.c
+++ b/src/openvpn/ssl_openssl.c
@@ -560,7 +560,7 @@
tls_ctx_set_tls_groups(struct tls_root_ctx *ctx, const char *groups)
{
ASSERT(ctx);
-#if OPENSSL_VERSION_NUMBER < 0x30000000L
+#if OPENSSL_VERSION_NUMBER < 0x30000000L && !defined(ENABLE_CRYPTO_WOLFSSL)
struct gc_arena gc = gc_new();
/* This method could be as easy as
* SSL_CTX_set1_groups_list(ctx->ctx, groups)
--
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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: Ie0529c2074964b3be034f01e0ef53090a6edbd35
Gerrit-Change-Number: 1046
Gerrit-PatchSet: 7
Gerrit-Owner: comododragon <rei...@fo...>
Gerrit-Reviewer: cron2 <ge...@gr...>
Gerrit-Reviewer: flichtenheld <fr...@li...>
Gerrit-Reviewer: plaisthos <arn...@rf...>
Gerrit-CC: openvpn-devel <ope...@li...>
Gerrit-MessageType: merged
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