zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/demos/cms/cms_enc.c b/ap/lib/libssl/openssl-1.1.1o/demos/cms/cms_enc.c
new file mode 100644
index 0000000..4d17d72
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/demos/cms/cms_enc.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/* Simple S/MIME encrypt example */
+#include <openssl/pem.h>
+#include <openssl/cms.h>
+#include <openssl/err.h>
+
+int main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL, *tbio = NULL;
+ X509 *rcert = NULL;
+ STACK_OF(X509) *recips = NULL;
+ CMS_ContentInfo *cms = NULL;
+ int ret = 1;
+
+ /*
+ * On OpenSSL 1.0.0 and later only:
+ * for streaming set CMS_STREAM
+ */
+ int flags = CMS_STREAM;
+
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+
+ /* Read in recipient certificate */
+ tbio = BIO_new_file("signer.pem", "r");
+
+ if (!tbio)
+ goto err;
+
+ rcert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
+
+ if (!rcert)
+ goto err;
+
+ /* Create recipient STACK and add recipient cert to it */
+ recips = sk_X509_new_null();
+
+ if (!recips || !sk_X509_push(recips, rcert))
+ goto err;
+
+ /*
+ * sk_X509_pop_free will free up recipient STACK and its contents so set
+ * rcert to NULL so it isn't freed up twice.
+ */
+ rcert = NULL;
+
+ /* Open content being encrypted */
+
+ in = BIO_new_file("encr.txt", "r");
+
+ if (!in)
+ goto err;
+
+ /* encrypt content */
+ cms = CMS_encrypt(recips, in, EVP_des_ede3_cbc(), flags);
+
+ if (!cms)
+ goto err;
+
+ out = BIO_new_file("smencr.txt", "w");
+ if (!out)
+ goto err;
+
+ /* Write out S/MIME message */
+ if (!SMIME_write_CMS(out, cms, in, flags))
+ goto err;
+
+ ret = 0;
+
+ err:
+
+ if (ret) {
+ fprintf(stderr, "Error Encrypting Data\n");
+ ERR_print_errors_fp(stderr);
+ }
+
+ CMS_ContentInfo_free(cms);
+ X509_free(rcert);
+ sk_X509_pop_free(recips, X509_free);
+ BIO_free(in);
+ BIO_free(out);
+ BIO_free(tbio);
+ return ret;
+}