zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/rsa/rsa_prn.c b/ap/lib/libssl/openssl-1.1.1o/crypto/rsa/rsa_prn.c
new file mode 100644
index 0000000..23df448
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/rsa/rsa_prn.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2006-2021 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/rsa.h>
+#include <openssl/evp.h>
+
+#ifndef OPENSSL_NO_STDIO
+int RSA_print_fp(FILE *fp, const RSA *x, int off)
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ RSAerr(RSA_F_RSA_PRINT_FP, ERR_R_BUF_LIB);
+ return 0;
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = RSA_print(b, x, off);
+ BIO_free(b);
+ return ret;
+}
+#endif
+
+int RSA_print(BIO *bp, const RSA *x, int off)
+{
+ EVP_PKEY *pk;
+ int ret;
+ pk = EVP_PKEY_new();
+ if (pk == NULL)
+ return 0;
+ ret = EVP_PKEY_set1_RSA(pk, (RSA *)x);
+ if (ret)
+ ret = EVP_PKEY_print_private(bp, pk, off, NULL);
+ EVP_PKEY_free(pk);
+ return ret;
+}