zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/apps/dsaparam.c b/ap/lib/libssl/openssl-1.1.1o/apps/dsaparam.c
new file mode 100644
index 0000000..75589ac
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/apps/dsaparam.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright 1995-2020 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 <openssl/opensslconf.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include "apps.h"
+#include "progs.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/dsa.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+static int dsa_cb(int p, int n, BN_GENCB *cb);
+
+typedef enum OPTION_choice {
+    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+    OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT, OPT_C,
+    OPT_NOOUT, OPT_GENKEY, OPT_ENGINE, OPT_R_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS dsaparam_options[] = {
+    {"help", OPT_HELP, '-', "Display this summary"},
+    {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
+    {"in", OPT_IN, '<', "Input file"},
+    {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
+    {"out", OPT_OUT, '>', "Output file"},
+    {"text", OPT_TEXT, '-', "Print as text"},
+    {"C", OPT_C, '-', "Output C code"},
+    {"noout", OPT_NOOUT, '-', "No output"},
+    {"genkey", OPT_GENKEY, '-', "Generate a DSA key"},
+    OPT_R_OPTIONS,
+#ifndef OPENSSL_NO_ENGINE
+    {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+#endif
+    {NULL}
+};
+
+int dsaparam_main(int argc, char **argv)
+{
+    ENGINE *e = NULL;
+    DSA *dsa = NULL;
+    BIO *in = NULL, *out = NULL;
+    BN_GENCB *cb = NULL;
+    int numbits = -1, num = 0, genkey = 0;
+    int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;
+    int ret = 1, i, text = 0, private = 0;
+    char *infile = NULL, *outfile = NULL, *prog;
+    OPTION_CHOICE o;
+
+    prog = opt_init(argc, argv, dsaparam_options);
+    while ((o = opt_next()) != OPT_EOF) {
+        switch (o) {
+        case OPT_EOF:
+        case OPT_ERR:
+ opthelp:
+            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+            goto end;
+        case OPT_HELP:
+            opt_help(dsaparam_options);
+            ret = 0;
+            goto end;
+        case OPT_INFORM:
+            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
+                goto opthelp;
+            break;
+        case OPT_IN:
+            infile = opt_arg();
+            break;
+        case OPT_OUTFORM:
+            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+                goto opthelp;
+            break;
+        case OPT_OUT:
+            outfile = opt_arg();
+            break;
+        case OPT_ENGINE:
+            e = setup_engine(opt_arg(), 0);
+            break;
+        case OPT_TEXT:
+            text = 1;
+            break;
+        case OPT_C:
+            C = 1;
+            break;
+        case OPT_GENKEY:
+            genkey = 1;
+            break;
+        case OPT_R_CASES:
+            if (!opt_rand(o))
+                goto end;
+            break;
+        case OPT_NOOUT:
+            noout = 1;
+            break;
+        }
+    }
+    argc = opt_num_rest();
+    argv = opt_rest();
+
+    if (argc == 1) {
+        if (!opt_int(argv[0], &num) || num < 0)
+            goto end;
+        /* generate a key */
+        numbits = num;
+    }
+    private = genkey ? 1 : 0;
+
+    in = bio_open_default(infile, 'r', informat);
+    if (in == NULL)
+        goto end;
+    out = bio_open_owner(outfile, outformat, private);
+    if (out == NULL)
+        goto end;
+
+    if (numbits > 0) {
+        if (numbits > OPENSSL_DSA_MAX_MODULUS_BITS)
+            BIO_printf(bio_err,
+                       "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
+                       "         Your key size is %d! Larger key size may behave not as expected.\n",
+                       OPENSSL_DSA_MAX_MODULUS_BITS, numbits);
+
+        cb = BN_GENCB_new();
+        if (cb == NULL) {
+            BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
+            goto end;
+        }
+        BN_GENCB_set(cb, dsa_cb, bio_err);
+        dsa = DSA_new();
+        if (dsa == NULL) {
+            BIO_printf(bio_err, "Error allocating DSA object\n");
+            goto end;
+        }
+        BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
+                   num);
+        BIO_printf(bio_err, "This could take some time\n");
+        if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
+            ERR_print_errors(bio_err);
+            BIO_printf(bio_err, "Error, DSA key generation failed\n");
+            goto end;
+        }
+    } else if (informat == FORMAT_ASN1) {
+        dsa = d2i_DSAparams_bio(in, NULL);
+    } else {
+        dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
+    }
+    if (dsa == NULL) {
+        BIO_printf(bio_err, "unable to load DSA parameters\n");
+        ERR_print_errors(bio_err);
+        goto end;
+    }
+
+    if (text) {
+        DSAparams_print(out, dsa);
+    }
+
+    if (C) {
+        const BIGNUM *p = NULL, *q = NULL, *g = NULL;
+        unsigned char *data;
+        int len, bits_p;
+
+        DSA_get0_pqg(dsa, &p, &q, &g);
+        len = BN_num_bytes(p);
+        bits_p = BN_num_bits(p);
+
+        data = app_malloc(len + 20, "BN space");
+
+        BIO_printf(bio_out, "static DSA *get_dsa%d(void)\n{\n", bits_p);
+        print_bignum_var(bio_out, p, "dsap", bits_p, data);
+        print_bignum_var(bio_out, q, "dsaq", bits_p, data);
+        print_bignum_var(bio_out, g, "dsag", bits_p, data);
+        BIO_printf(bio_out, "    DSA *dsa = DSA_new();\n"
+                            "    BIGNUM *p, *q, *g;\n"
+                            "\n");
+        BIO_printf(bio_out, "    if (dsa == NULL)\n"
+                            "        return NULL;\n");
+        BIO_printf(bio_out, "    if (!DSA_set0_pqg(dsa, p = BN_bin2bn(dsap_%d, sizeof(dsap_%d), NULL),\n",
+                   bits_p, bits_p);
+        BIO_printf(bio_out, "                           q = BN_bin2bn(dsaq_%d, sizeof(dsaq_%d), NULL),\n",
+                   bits_p, bits_p);
+        BIO_printf(bio_out, "                           g = BN_bin2bn(dsag_%d, sizeof(dsag_%d), NULL))) {\n",
+                   bits_p, bits_p);
+        BIO_printf(bio_out, "        DSA_free(dsa);\n"
+                            "        BN_free(p);\n"
+                            "        BN_free(q);\n"
+                            "        BN_free(g);\n"
+                            "        return NULL;\n"
+                            "    }\n"
+                            "    return dsa;\n}\n");
+        OPENSSL_free(data);
+    }
+
+    if (outformat == FORMAT_ASN1 && genkey)
+        noout = 1;
+
+    if (!noout) {
+        if (outformat == FORMAT_ASN1)
+            i = i2d_DSAparams_bio(out, dsa);
+        else
+            i = PEM_write_bio_DSAparams(out, dsa);
+        if (!i) {
+            BIO_printf(bio_err, "unable to write DSA parameters\n");
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+    }
+    if (genkey) {
+        DSA *dsakey;
+
+        if ((dsakey = DSAparams_dup(dsa)) == NULL)
+            goto end;
+        if (!DSA_generate_key(dsakey)) {
+            ERR_print_errors(bio_err);
+            DSA_free(dsakey);
+            goto end;
+        }
+        assert(private);
+        if (outformat == FORMAT_ASN1)
+            i = i2d_DSAPrivateKey_bio(out, dsakey);
+        else
+            i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
+                                            NULL);
+        DSA_free(dsakey);
+    }
+    ret = 0;
+ end:
+    BN_GENCB_free(cb);
+    BIO_free(in);
+    BIO_free_all(out);
+    DSA_free(dsa);
+    release_engine(e);
+    return ret;
+}
+
+static int dsa_cb(int p, int n, BN_GENCB *cb)
+{
+    static const char symbols[] = ".+*\n";
+    char c = (p >= 0 && (size_t)p < sizeof(symbols) - 1) ? symbols[p] : '?';
+
+    BIO_write(BN_GENCB_get_arg(cb), &c, 1);
+    (void)BIO_flush(BN_GENCB_get_arg(cb));
+    return 1;
+}