Make X25519 and X448 FIPS unapproved

Partially fixes: #22105 Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Paul Dale <ppzgs1@gmail.com> (Merged from #24099)
openssl · Apr 19, 2024 · 52ca560 · 52ca560
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commit 52ca560
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diff --git a/CHANGES.md b/CHANGES.md
@@ -36,6 +36,11 @@ OpenSSL 3.4
 
    *Stephan Wurm*
 
+ * The X25519 and X448 key exchange implementation in the FIPS provider
+   is unapproved and has `fips=no` property.
+
+   * Tomas Mraz*
+
 OpenSSL 3.3
 -----------
 

diff --git a/doc/man7/OSSL_PROVIDER-FIPS.pod b/doc/man7/OSSL_PROVIDER-FIPS.pod
@@ -204,8 +204,12 @@ This is an unapproved algorithm.
 
 =item X25519, see L<EVP_KEYMGMT-X25519(7)>
 
+This is an unapproved algorithm.
+
 =item X448, see L<EVP_KEYMGMT-X448(7)>
 
+This is an unapproved algorithm.
+
 =item ED25519, see L<EVP_KEYMGMT-ED25519(7)>
 
 This is an unapproved algorithm.

diff --git a/providers/fips/fipsprov.c b/providers/fips/fipsprov.c
@@ -410,8 +410,8 @@ static const OSSL_ALGORITHM fips_keyexch[] = {
 #ifndef OPENSSL_NO_EC
     { PROV_NAMES_ECDH, FIPS_DEFAULT_PROPERTIES, ossl_ecdh_keyexch_functions },
 # ifndef OPENSSL_NO_ECX
-    { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keyexch_functions },
-    { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keyexch_functions },
+    { PROV_NAMES_X25519, FIPS_UNAPPROVED_PROPERTIES, ossl_x25519_keyexch_functions },
+    { PROV_NAMES_X448, FIPS_UNAPPROVED_PROPERTIES, ossl_x448_keyexch_functions },
 # endif
 #endif
     { PROV_NAMES_TLS1_PRF, FIPS_DEFAULT_PROPERTIES,
@@ -471,9 +471,9 @@ static const OSSL_ALGORITHM fips_keymgmt[] = {
     { PROV_NAMES_EC, FIPS_DEFAULT_PROPERTIES, ossl_ec_keymgmt_functions,
       PROV_DESCS_EC },
 # ifndef OPENSSL_NO_ECX
-    { PROV_NAMES_X25519, FIPS_DEFAULT_PROPERTIES, ossl_x25519_keymgmt_functions,
+    { PROV_NAMES_X25519, FIPS_UNAPPROVED_PROPERTIES, ossl_x25519_keymgmt_functions,
       PROV_DESCS_X25519 },
-    { PROV_NAMES_X448, FIPS_DEFAULT_PROPERTIES, ossl_x448_keymgmt_functions,
+    { PROV_NAMES_X448, FIPS_UNAPPROVED_PROPERTIES, ossl_x448_keymgmt_functions,
       PROV_DESCS_X448 },
     { PROV_NAMES_ED25519, FIPS_UNAPPROVED_PROPERTIES, ossl_ed25519_keymgmt_functions,
       PROV_DESCS_ED25519 },