Custom key wrap option for cms utility.
authorDr. Stephen Henson <steve@openssl.org>
Wed, 17 Jul 2013 14:21:31 +0000 (15:21 +0100)
committerDr. Stephen Henson <steve@openssl.org>
Wed, 17 Jul 2013 20:45:01 +0000 (21:45 +0100)
apps/cms.c

index 2e734bd..d15e203 100644 (file)
@@ -122,7 +122,7 @@ int MAIN(int argc, char **argv)
        STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
        char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
        char *certsoutfile = NULL;
-       const EVP_CIPHER *cipher = NULL;
+       const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
        CMS_ContentInfo *cms = NULL, *rcms = NULL;
        X509_STORE *store = NULL;
        X509 *cert = NULL, *recip = NULL, *signer = NULL;
@@ -217,6 +217,8 @@ int MAIN(int argc, char **argv)
                                cipher = EVP_des_ede3_cbc();
                else if (!strcmp (*args, "-des")) 
                                cipher = EVP_des_cbc();
+               else if (!strcmp (*args, "-des3-wrap")) 
+                               wrap_cipher = EVP_des_ede3_wrap();
 #endif
 #ifndef OPENSSL_NO_SEED
                else if (!strcmp (*args, "-seed")) 
@@ -237,6 +239,12 @@ int MAIN(int argc, char **argv)
                                cipher = EVP_aes_192_cbc();
                else if (!strcmp(*args,"-aes256"))
                                cipher = EVP_aes_256_cbc();
+               else if (!strcmp(*args,"-aes128-wrap"))
+                               wrap_cipher = EVP_aes_128_wrap();
+               else if (!strcmp(*args,"-aes192-wrap"))
+                               wrap_cipher = EVP_aes_192_wrap();
+               else if (!strcmp(*args,"-aes256-wrap"))
+                               wrap_cipher = EVP_aes_256_wrap();
 #endif
 #ifndef OPENSSL_NO_CAMELLIA
                else if (!strcmp(*args,"-camellia128"))
@@ -1005,6 +1013,14 @@ int MAIN(int argc, char **argv)
                                if (!cms_set_pkey_param(pctx, kparam->param))
                                        goto end;
                                }
+                       if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
+                               && wrap_cipher)
+                               {
+                               EVP_CIPHER_CTX *wctx;
+                               wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
+                               EVP_EncryptInit_ex(wctx, wrap_cipher,
+                                                       NULL, NULL, NULL);
+                               }
                        }
 
                if (secret_key)