[openssh-commits] [openssh] branch master updated: stubs for ML-KEM KEX functions

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djm pushed a commit to branch master
in repository openssh.

The following commit(s) were added to refs/heads/master by this push:
     new 509b757c stubs for ML-KEM KEX functions
509b757c is described below

commit 509b757c052ea969b3a41fc36818b44801caf1cf
Author: Damien Miller <djm at mindrot.org>
AuthorDate: Mon Sep 9 21:50:14 2024 +1000

    stubs for ML-KEM KEX functions
    
    used for C89 compilers
---
 kexmlkem768x25519.c | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/kexmlkem768x25519.c b/kexmlkem768x25519.c
index fa062dd7..18730ff8 100644
--- a/kexmlkem768x25519.c
+++ b/kexmlkem768x25519.c
@@ -25,8 +25,6 @@
 
 #include "includes.h"
 
-#ifdef USE_MLKEM768X25519
-
 #include <sys/types.h>
 
 #include <stdio.h>
@@ -42,6 +40,8 @@
 #include "ssherr.h"
 #include "log.h"
 
+#ifdef USE_MLKEM768X25519
+
 #include "libcrux_mlkem768_sha3.h"
 
 int
@@ -254,4 +254,25 @@ kex_kem_mlkem768x25519_dec(struct kex *kex,
 	sshbuf_free(buf);
 	return r;
 }
+#else /* USE_MLKEM768X25519 */
+int
+kex_kem_mlkem768x25519_keypair(struct kex *kex)
+{
+	return SSH_ERR_SIGN_ALG_UNSUPPORTED;
+}
+
+int
+kex_kem_mlkem768x25519_enc(struct kex *kex,
+   const struct sshbuf *client_blob, struct sshbuf **server_blobp,
+   struct sshbuf **shared_secretp)
+{
+	return SSH_ERR_SIGN_ALG_UNSUPPORTED;
+}
+
+int
+kex_kem_mlkem768x25519_dec(struct kex *kex,
+    const struct sshbuf *server_blob, struct sshbuf **shared_secretp)
+{
+	return SSH_ERR_SIGN_ALG_UNSUPPORTED;
+}
 #endif /* USE_MLKEM768X25519 */

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