ec/rsa: fix key export logic

tpm2-software · Jul 21, 2023 · eaa01f1 · eaa01f1
1 parent ff40b6f
commit eaa01f1
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/src/tpm2-provider-keymgmt-ec.c b/src/tpm2-provider-keymgmt-ec.c
@@ -606,6 +606,9 @@ tpm2_ec_keymgmt_export(void *keydata, int selection,
     if (pkey == NULL)
         return 0;
 
+    if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
+        return 0;
+
     curve_nid = tpm2_ecc_curve_to_nid(TPM2_PKEY_EC_CURVE(pkey));
 
     pubsize = tpm2_ecc_point_to_uncompressed(

diff --git a/src/tpm2-provider-keymgmt-rsa.c b/src/tpm2-provider-keymgmt-rsa.c
@@ -557,6 +557,9 @@ tpm2_rsa_keymgmt_export(void *keydata, int selection,
     if (pkey == NULL)
         return 0;
 
+    if ((selection & OSSL_KEYMGMT_SELECT_PRIVATE_KEY) != 0)
+        return 0;
+
     OSSL_PARAM params[3], *p = params;
 #if !defined(WORDS_BIGENDIAN)
     unsigned char *n = NULL;