diff options
Diffstat (limited to 'bitmask_android/openssl/apps/rand.c')
| -rw-r--r-- | bitmask_android/openssl/apps/rand.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/bitmask_android/openssl/apps/rand.c b/bitmask_android/openssl/apps/rand.c new file mode 100644 index 00000000..790e7959 --- /dev/null +++ b/bitmask_android/openssl/apps/rand.c @@ -0,0 +1,245 @@ +/* apps/rand.c */ +/* ==================================================================== + * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "apps.h" + +#include <ctype.h> +#include <stdio.h> +#include <string.h> + +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/rand.h> + +#undef PROG +#define PROG rand_main + +/* -out file - write to file + * -rand file:file - PRNG seed files + * -base64 - base64 encode output + * -hex - hex encode output + * num - write 'num' bytes + */ + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + int i, r, ret = 1; + int badopt; + char *outfile = NULL; + char *inrand = NULL; + int base64 = 0; + int hex = 0; + BIO *out = NULL; + int num = -1; +#ifndef OPENSSL_NO_ENGINE + char *engine=NULL; +#endif + + apps_startup(); + + if (bio_err == NULL) + if ((bio_err = BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); + + if (!load_config(bio_err, NULL)) + goto err; + + badopt = 0; + i = 0; + while (!badopt && argv[++i] != NULL) + { + if (strcmp(argv[i], "-out") == 0) + { + if ((argv[i+1] != NULL) && (outfile == NULL)) + outfile = argv[++i]; + else + badopt = 1; + } +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(argv[i], "-engine") == 0) + { + if ((argv[i+1] != NULL) && (engine == NULL)) + engine = argv[++i]; + else + badopt = 1; + } +#endif + else if (strcmp(argv[i], "-rand") == 0) + { + if ((argv[i+1] != NULL) && (inrand == NULL)) + inrand = argv[++i]; + else + badopt = 1; + } + else if (strcmp(argv[i], "-base64") == 0) + { + if (!base64) + base64 = 1; + else + badopt = 1; + } + else if (strcmp(argv[i], "-hex") == 0) + { + if (!hex) + hex = 1; + else + badopt = 1; + } + else if (isdigit((unsigned char)argv[i][0])) + { + if (num < 0) + { + r = sscanf(argv[i], "%d", &num); + if (r == 0 || num < 0) + badopt = 1; + } + else + badopt = 1; + } + else + badopt = 1; + } + + if (hex && base64) + badopt = 1; + + if (num < 0) + badopt = 1; + + if (badopt) + { + BIO_printf(bio_err, "Usage: rand [options] num\n"); + BIO_printf(bio_err, "where options are\n"); + BIO_printf(bio_err, "-out file - write to file\n"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err, "-engine e - use engine e, possibly a hardware device.\n"); +#endif + BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from files\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); + BIO_printf(bio_err, "-base64 - base64 encode output\n"); + BIO_printf(bio_err, "-hex - hex encode output\n"); + goto err; + } + +#ifndef OPENSSL_NO_ENGINE + setup_engine(bio_err, engine, 0); +#endif + + app_RAND_load_file(NULL, bio_err, (inrand != NULL)); + if (inrand != NULL) + BIO_printf(bio_err,"%ld semi-random bytes loaded\n", + app_RAND_load_files(inrand)); + + out = BIO_new(BIO_s_file()); + if (out == NULL) + goto err; + if (outfile != NULL) + r = BIO_write_filename(out, outfile); + else + { + r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); +#ifdef OPENSSL_SYS_VMS + { + BIO *tmpbio = BIO_new(BIO_f_linebuffer()); + out = BIO_push(tmpbio, out); + } +#endif + } + if (r <= 0) + goto err; + + if (base64) + { + BIO *b64 = BIO_new(BIO_f_base64()); + if (b64 == NULL) + goto err; + out = BIO_push(b64, out); + } + + while (num > 0) + { + unsigned char buf[4096]; + int chunk; + + chunk = num; + if (chunk > (int)sizeof(buf)) + chunk = sizeof buf; + r = RAND_bytes(buf, chunk); + if (r <= 0) + goto err; + if (!hex) + BIO_write(out, buf, chunk); + else + { + for (i = 0; i < chunk; i++) + BIO_printf(out, "%02x", buf[i]); + } + num -= chunk; + } + if (hex) + BIO_puts(out, "\n"); + (void)BIO_flush(out); + + app_RAND_write_file(NULL, bio_err); + ret = 0; + +err: + ERR_print_errors(bio_err); + if (out) + BIO_free_all(out); + apps_shutdown(); + OPENSSL_EXIT(ret); + } |