zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/asn_pack.c b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/asn_pack.c
new file mode 100644
index 0000000..63bc306
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/asn1/asn_pack.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 1999-2016 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
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1.h>
+
+/* ASN1 packing and unpacking functions */
+
+ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct)
+{
+ ASN1_STRING *octmp;
+
+ if (oct == NULL || *oct == NULL) {
+ if ((octmp = ASN1_STRING_new()) == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ } else {
+ octmp = *oct;
+ }
+
+ OPENSSL_free(octmp->data);
+ octmp->data = NULL;
+
+ if ((octmp->length = ASN1_item_i2d(obj, &octmp->data, it)) == 0) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK, ASN1_R_ENCODE_ERROR);
+ goto err;
+ }
+ if (octmp->data == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (oct != NULL && *oct == NULL)
+ *oct = octmp;
+
+ return octmp;
+ err:
+ if (oct == NULL || *oct == NULL)
+ ASN1_STRING_free(octmp);
+ return NULL;
+}
+
+/* Extract an ASN1 object from an ASN1_STRING */
+
+void *ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it)
+{
+ const unsigned char *p;
+ void *ret;
+
+ p = oct->data;
+ if ((ret = ASN1_item_d2i(NULL, &p, oct->length, it)) == NULL)
+ ASN1err(ASN1_F_ASN1_ITEM_UNPACK, ASN1_R_DECODE_ERROR);
+ return ret;
+}