| /* apps/enc.c */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * 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 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 acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS 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 AUTHOR OR 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. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "apps.h" |
| #include <openssl/bio.h> |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/objects.h> |
| #include <openssl/x509.h> |
| #include <openssl/rand.h> |
| #include <openssl/pem.h> |
| #ifndef OPENSSL_NO_COMP |
| # include <openssl/comp.h> |
| #endif |
| #include <ctype.h> |
| |
| int set_hex(char *in, unsigned char *out, int size); |
| #undef SIZE |
| #undef BSIZE |
| #undef PROG |
| |
| #define SIZE (512) |
| #define BSIZE (8*1024) |
| #define PROG enc_main |
| |
| static void show_ciphers(const OBJ_NAME *name, void *bio_) |
| { |
| BIO *bio = bio_; |
| static int n; |
| |
| if (!islower((unsigned char)*name->name)) |
| return; |
| |
| BIO_printf(bio, "-%-25s", name->name); |
| if (++n == 3) { |
| BIO_printf(bio, "\n"); |
| n = 0; |
| } else |
| BIO_printf(bio, " "); |
| } |
| |
| int MAIN(int, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| static const char magic[] = "Salted__"; |
| char mbuf[sizeof magic - 1]; |
| char *strbuf = NULL; |
| unsigned char *buff = NULL, *bufsize = NULL; |
| int bsize = BSIZE, verbose = 0; |
| int ret = 1, inl; |
| int nopad = 0; |
| unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; |
| unsigned char salt[PKCS5_SALT_LEN]; |
| char *str = NULL, *passarg = NULL, *pass = NULL; |
| char *hkey = NULL, *hiv = NULL, *hsalt = NULL; |
| char *md = NULL; |
| int enc = 1, printkey = 0, i, base64 = 0; |
| #ifdef ZLIB |
| int do_zlib = 0; |
| BIO *bzl = NULL; |
| #endif |
| int debug = 0, olb64 = 0, nosalt = 0; |
| const EVP_CIPHER *cipher = NULL, *c; |
| EVP_CIPHER_CTX *ctx = NULL; |
| char *inf = NULL, *outf = NULL; |
| BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio = |
| NULL, *wbio = NULL; |
| #define PROG_NAME_SIZE 39 |
| char pname[PROG_NAME_SIZE + 1]; |
| #ifndef OPENSSL_NO_ENGINE |
| char *engine = NULL; |
| #endif |
| const EVP_MD *dgst = NULL; |
| int non_fips_allow = 0; |
| |
| 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 end; |
| |
| /* first check the program name */ |
| program_name(argv[0], pname, sizeof pname); |
| if (strcmp(pname, "base64") == 0) |
| base64 = 1; |
| #ifdef ZLIB |
| if (strcmp(pname, "zlib") == 0) |
| do_zlib = 1; |
| #endif |
| |
| cipher = EVP_get_cipherbyname(pname); |
| #ifdef ZLIB |
| if (!do_zlib && !base64 && (cipher == NULL) |
| && (strcmp(pname, "enc") != 0)) |
| #else |
| if (!base64 && (cipher == NULL) && (strcmp(pname, "enc") != 0)) |
| #endif |
| { |
| BIO_printf(bio_err, "%s is an unknown cipher\n", pname); |
| goto bad; |
| } |
| |
| argc--; |
| argv++; |
| while (argc >= 1) { |
| if (strcmp(*argv, "-e") == 0) |
| enc = 1; |
| else if (strcmp(*argv, "-in") == 0) { |
| if (--argc < 1) |
| goto bad; |
| inf = *(++argv); |
| } else if (strcmp(*argv, "-out") == 0) { |
| if (--argc < 1) |
| goto bad; |
| outf = *(++argv); |
| } else if (strcmp(*argv, "-pass") == 0) { |
| if (--argc < 1) |
| goto bad; |
| passarg = *(++argv); |
| } |
| #ifndef OPENSSL_NO_ENGINE |
| else if (strcmp(*argv, "-engine") == 0) { |
| if (--argc < 1) |
| goto bad; |
| engine = *(++argv); |
| } |
| #endif |
| else if (strcmp(*argv, "-d") == 0) |
| enc = 0; |
| else if (strcmp(*argv, "-p") == 0) |
| printkey = 1; |
| else if (strcmp(*argv, "-v") == 0) |
| verbose = 1; |
| else if (strcmp(*argv, "-nopad") == 0) |
| nopad = 1; |
| else if (strcmp(*argv, "-salt") == 0) |
| nosalt = 0; |
| else if (strcmp(*argv, "-nosalt") == 0) |
| nosalt = 1; |
| else if (strcmp(*argv, "-debug") == 0) |
| debug = 1; |
| else if (strcmp(*argv, "-P") == 0) |
| printkey = 2; |
| else if (strcmp(*argv, "-A") == 0) |
| olb64 = 1; |
| else if (strcmp(*argv, "-a") == 0) |
| base64 = 1; |
| else if (strcmp(*argv, "-base64") == 0) |
| base64 = 1; |
| #ifdef ZLIB |
| else if (strcmp(*argv, "-z") == 0) |
| do_zlib = 1; |
| #endif |
| else if (strcmp(*argv, "-bufsize") == 0) { |
| if (--argc < 1) |
| goto bad; |
| bufsize = (unsigned char *)*(++argv); |
| } else if (strcmp(*argv, "-k") == 0) { |
| if (--argc < 1) |
| goto bad; |
| str = *(++argv); |
| } else if (strcmp(*argv, "-kfile") == 0) { |
| static char buf[128]; |
| FILE *infile; |
| char *file; |
| |
| if (--argc < 1) |
| goto bad; |
| file = *(++argv); |
| infile = fopen(file, "r"); |
| if (infile == NULL) { |
| BIO_printf(bio_err, "unable to read key from '%s'\n", file); |
| goto bad; |
| } |
| buf[0] = '\0'; |
| if (!fgets(buf, sizeof buf, infile)) { |
| BIO_printf(bio_err, "unable to read key from '%s'\n", file); |
| goto bad; |
| } |
| fclose(infile); |
| i = strlen(buf); |
| if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r'))) |
| buf[--i] = '\0'; |
| if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r'))) |
| buf[--i] = '\0'; |
| if (i < 1) { |
| BIO_printf(bio_err, "zero length password\n"); |
| goto bad; |
| } |
| str = buf; |
| } else if (strcmp(*argv, "-K") == 0) { |
| if (--argc < 1) |
| goto bad; |
| hkey = *(++argv); |
| } else if (strcmp(*argv, "-S") == 0) { |
| if (--argc < 1) |
| goto bad; |
| hsalt = *(++argv); |
| } else if (strcmp(*argv, "-iv") == 0) { |
| if (--argc < 1) |
| goto bad; |
| hiv = *(++argv); |
| } else if (strcmp(*argv, "-md") == 0) { |
| if (--argc < 1) |
| goto bad; |
| md = *(++argv); |
| } else if (strcmp(*argv, "-non-fips-allow") == 0) |
| non_fips_allow = 1; |
| else if ((argv[0][0] == '-') && |
| ((c = EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) { |
| cipher = c; |
| } else if (strcmp(*argv, "-none") == 0) |
| cipher = NULL; |
| else { |
| BIO_printf(bio_err, "unknown option '%s'\n", *argv); |
| bad: |
| BIO_printf(bio_err, "options are\n"); |
| BIO_printf(bio_err, "%-14s input file\n", "-in <file>"); |
| BIO_printf(bio_err, "%-14s output file\n", "-out <file>"); |
| BIO_printf(bio_err, "%-14s pass phrase source\n", "-pass <arg>"); |
| BIO_printf(bio_err, "%-14s encrypt\n", "-e"); |
| BIO_printf(bio_err, "%-14s decrypt\n", "-d"); |
| BIO_printf(bio_err, |
| "%-14s base64 encode/decode, depending on encryption flag\n", |
| "-a/-base64"); |
| BIO_printf(bio_err, "%-14s passphrase is the next argument\n", |
| "-k"); |
| BIO_printf(bio_err, |
| "%-14s passphrase is the first line of the file argument\n", |
| "-kfile"); |
| BIO_printf(bio_err, |
| "%-14s the next argument is the md to use to create a key\n", |
| "-md"); |
| BIO_printf(bio_err, |
| "%-14s from a passphrase. One of md2, md5, sha or sha1\n", |
| ""); |
| BIO_printf(bio_err, "%-14s salt in hex is the next argument\n", |
| "-S"); |
| BIO_printf(bio_err, "%-14s key/iv in hex is the next argument\n", |
| "-K/-iv"); |
| BIO_printf(bio_err, "%-14s print the iv/key (then exit if -P)\n", |
| "-[pP]"); |
| BIO_printf(bio_err, "%-14s buffer size\n", "-bufsize <n>"); |
| BIO_printf(bio_err, "%-14s disable standard block padding\n", |
| "-nopad"); |
| #ifndef OPENSSL_NO_ENGINE |
| BIO_printf(bio_err, |
| "%-14s use engine e, possibly a hardware device.\n", |
| "-engine e"); |
| #endif |
| |
| BIO_printf(bio_err, "Cipher Types\n"); |
| OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, |
| show_ciphers, bio_err); |
| BIO_printf(bio_err, "\n"); |
| |
| goto end; |
| } |
| argc--; |
| argv++; |
| } |
| |
| #ifndef OPENSSL_NO_ENGINE |
| setup_engine(bio_err, engine, 0); |
| #endif |
| |
| if (cipher && EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) { |
| BIO_printf(bio_err, |
| "AEAD ciphers not supported by the enc utility\n"); |
| goto end; |
| } |
| |
| if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE)) { |
| BIO_printf(bio_err, |
| "Ciphers in XTS mode are not supported by the enc utility\n"); |
| goto end; |
| } |
| |
| if (md && (dgst = EVP_get_digestbyname(md)) == NULL) { |
| BIO_printf(bio_err, "%s is an unsupported message digest type\n", md); |
| goto end; |
| } |
| |
| if (dgst == NULL) { |
| dgst = EVP_md5(); |
| } |
| |
| if (bufsize != NULL) { |
| unsigned long n; |
| |
| for (n = 0; *bufsize; bufsize++) { |
| i = *bufsize; |
| if ((i <= '9') && (i >= '0')) |
| n = n * 10 + i - '0'; |
| else if (i == 'k') { |
| n *= 1024; |
| bufsize++; |
| break; |
| } |
| } |
| if (*bufsize != '\0') { |
| BIO_printf(bio_err, "invalid 'bufsize' specified.\n"); |
| goto end; |
| } |
| |
| /* It must be large enough for a base64 encoded line */ |
| if (base64 && n < 80) |
| n = 80; |
| |
| bsize = (int)n; |
| if (verbose) |
| BIO_printf(bio_err, "bufsize=%d\n", bsize); |
| } |
| |
| strbuf = OPENSSL_malloc(SIZE); |
| buff = (unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); |
| if ((buff == NULL) || (strbuf == NULL)) { |
| BIO_printf(bio_err, "OPENSSL_malloc failure %ld\n", |
| (long)EVP_ENCODE_LENGTH(bsize)); |
| goto end; |
| } |
| |
| in = BIO_new(BIO_s_file()); |
| out = BIO_new(BIO_s_file()); |
| if ((in == NULL) || (out == NULL)) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| if (debug) { |
| BIO_set_callback(in, BIO_debug_callback); |
| BIO_set_callback(out, BIO_debug_callback); |
| BIO_set_callback_arg(in, (char *)bio_err); |
| BIO_set_callback_arg(out, (char *)bio_err); |
| } |
| |
| if (inf == NULL) { |
| #ifndef OPENSSL_NO_SETVBUF_IONBF |
| if (bufsize != NULL) |
| setvbuf(stdin, (char *)NULL, _IONBF, 0); |
| #endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ |
| BIO_set_fp(in, stdin, BIO_NOCLOSE); |
| } else { |
| if (BIO_read_filename(in, inf) <= 0) { |
| perror(inf); |
| goto end; |
| } |
| } |
| |
| if (!str && passarg) { |
| if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { |
| BIO_printf(bio_err, "Error getting password\n"); |
| goto end; |
| } |
| str = pass; |
| } |
| |
| if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) { |
| for (;;) { |
| char buf[200]; |
| |
| BIO_snprintf(buf, sizeof buf, "enter %s %s password:", |
| OBJ_nid2ln(EVP_CIPHER_nid(cipher)), |
| (enc) ? "encryption" : "decryption"); |
| strbuf[0] = '\0'; |
| i = EVP_read_pw_string((char *)strbuf, SIZE, buf, enc); |
| if (i == 0) { |
| if (strbuf[0] == '\0') { |
| ret = 1; |
| goto end; |
| } |
| str = strbuf; |
| break; |
| } |
| if (i < 0) { |
| BIO_printf(bio_err, "bad password read\n"); |
| goto end; |
| } |
| } |
| } |
| |
| if (outf == NULL) { |
| BIO_set_fp(out, stdout, BIO_NOCLOSE); |
| #ifndef OPENSSL_NO_SETVBUF_IONBF |
| if (bufsize != NULL) |
| setvbuf(stdout, (char *)NULL, _IONBF, 0); |
| #endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ |
| #ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| out = BIO_push(tmpbio, out); |
| } |
| #endif |
| } else { |
| if (BIO_write_filename(out, outf) <= 0) { |
| perror(outf); |
| goto end; |
| } |
| } |
| |
| rbio = in; |
| wbio = out; |
| |
| #ifdef ZLIB |
| |
| if (do_zlib) { |
| if ((bzl = BIO_new(BIO_f_zlib())) == NULL) |
| goto end; |
| if (enc) |
| wbio = BIO_push(bzl, wbio); |
| else |
| rbio = BIO_push(bzl, rbio); |
| } |
| #endif |
| |
| if (base64) { |
| if ((b64 = BIO_new(BIO_f_base64())) == NULL) |
| goto end; |
| if (debug) { |
| BIO_set_callback(b64, BIO_debug_callback); |
| BIO_set_callback_arg(b64, (char *)bio_err); |
| } |
| if (olb64) |
| BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); |
| if (enc) |
| wbio = BIO_push(b64, wbio); |
| else |
| rbio = BIO_push(b64, rbio); |
| } |
| |
| if (cipher != NULL) { |
| /* |
| * Note that str is NULL if a key was passed on the command line, so |
| * we get no salt in that case. Is this a bug? |
| */ |
| if (str != NULL) { |
| /* |
| * Salt handling: if encrypting generate a salt and write to |
| * output BIO. If decrypting read salt from input BIO. |
| */ |
| unsigned char *sptr; |
| if (nosalt) |
| sptr = NULL; |
| else { |
| if (enc) { |
| if (hsalt) { |
| if (!set_hex(hsalt, salt, sizeof salt)) { |
| BIO_printf(bio_err, "invalid hex salt value\n"); |
| goto end; |
| } |
| } else if (RAND_pseudo_bytes(salt, sizeof salt) < 0) |
| goto end; |
| /* |
| * If -P option then don't bother writing |
| */ |
| if ((printkey != 2) |
| && (BIO_write(wbio, magic, |
| sizeof magic - 1) != sizeof magic - 1 |
| || BIO_write(wbio, |
| (char *)salt, |
| sizeof salt) != sizeof salt)) { |
| BIO_printf(bio_err, "error writing output file\n"); |
| goto end; |
| } |
| } else if (BIO_read(rbio, mbuf, sizeof mbuf) != sizeof mbuf |
| || BIO_read(rbio, |
| (unsigned char *)salt, |
| sizeof salt) != sizeof salt) { |
| BIO_printf(bio_err, "error reading input file\n"); |
| goto end; |
| } else if (memcmp(mbuf, magic, sizeof magic - 1)) { |
| BIO_printf(bio_err, "bad magic number\n"); |
| goto end; |
| } |
| |
| sptr = salt; |
| } |
| |
| EVP_BytesToKey(cipher, dgst, sptr, |
| (unsigned char *)str, strlen(str), 1, key, iv); |
| /* |
| * zero the complete buffer or the string passed from the command |
| * line bug picked up by Larry J. Hughes Jr. <hughes@indiana.edu> |
| */ |
| if (str == strbuf) |
| OPENSSL_cleanse(str, SIZE); |
| else |
| OPENSSL_cleanse(str, strlen(str)); |
| } |
| if (hiv != NULL) { |
| int siz = EVP_CIPHER_iv_length(cipher); |
| if (siz == 0) { |
| BIO_printf(bio_err, "warning: iv not use by this cipher\n"); |
| } else if (!set_hex(hiv, iv, sizeof iv)) { |
| BIO_printf(bio_err, "invalid hex iv value\n"); |
| goto end; |
| } |
| } |
| if ((hiv == NULL) && (str == NULL) |
| && EVP_CIPHER_iv_length(cipher) != 0) { |
| /* |
| * No IV was explicitly set and no IV was generated during |
| * EVP_BytesToKey. Hence the IV is undefined, making correct |
| * decryption impossible. |
| */ |
| BIO_printf(bio_err, "iv undefined\n"); |
| goto end; |
| } |
| if ((hkey != NULL) && !set_hex(hkey, key, EVP_CIPHER_key_length(cipher))) { |
| BIO_printf(bio_err, "invalid hex key value\n"); |
| goto end; |
| } |
| |
| if ((benc = BIO_new(BIO_f_cipher())) == NULL) |
| goto end; |
| |
| /* |
| * Since we may be changing parameters work on the encryption context |
| * rather than calling BIO_set_cipher(). |
| */ |
| |
| BIO_get_cipher_ctx(benc, &ctx); |
| |
| if (non_fips_allow) |
| EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPH_FLAG_NON_FIPS_ALLOW); |
| |
| if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) { |
| BIO_printf(bio_err, "Error setting cipher %s\n", |
| EVP_CIPHER_name(cipher)); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (nopad) |
| EVP_CIPHER_CTX_set_padding(ctx, 0); |
| |
| if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) { |
| BIO_printf(bio_err, "Error setting cipher %s\n", |
| EVP_CIPHER_name(cipher)); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (debug) { |
| BIO_set_callback(benc, BIO_debug_callback); |
| BIO_set_callback_arg(benc, (char *)bio_err); |
| } |
| |
| if (printkey) { |
| if (!nosalt) { |
| printf("salt="); |
| for (i = 0; i < (int)sizeof(salt); i++) |
| printf("%02X", salt[i]); |
| printf("\n"); |
| } |
| if (cipher->key_len > 0) { |
| printf("key="); |
| for (i = 0; i < cipher->key_len; i++) |
| printf("%02X", key[i]); |
| printf("\n"); |
| } |
| if (cipher->iv_len > 0) { |
| printf("iv ="); |
| for (i = 0; i < cipher->iv_len; i++) |
| printf("%02X", iv[i]); |
| printf("\n"); |
| } |
| if (printkey == 2) { |
| ret = 0; |
| goto end; |
| } |
| } |
| } |
| |
| /* Only encrypt/decrypt as we write the file */ |
| if (benc != NULL) |
| wbio = BIO_push(benc, wbio); |
| |
| for (;;) { |
| inl = BIO_read(rbio, (char *)buff, bsize); |
| if (inl <= 0) |
| break; |
| if (BIO_write(wbio, (char *)buff, inl) != inl) { |
| BIO_printf(bio_err, "error writing output file\n"); |
| goto end; |
| } |
| } |
| if (!BIO_flush(wbio)) { |
| BIO_printf(bio_err, "bad decrypt\n"); |
| goto end; |
| } |
| |
| ret = 0; |
| if (verbose) { |
| BIO_printf(bio_err, "bytes read :%8ld\n", BIO_number_read(in)); |
| BIO_printf(bio_err, "bytes written:%8ld\n", BIO_number_written(out)); |
| } |
| end: |
| ERR_print_errors(bio_err); |
| if (strbuf != NULL) |
| OPENSSL_free(strbuf); |
| if (buff != NULL) |
| OPENSSL_free(buff); |
| if (in != NULL) |
| BIO_free(in); |
| if (out != NULL) |
| BIO_free_all(out); |
| if (benc != NULL) |
| BIO_free(benc); |
| if (b64 != NULL) |
| BIO_free(b64); |
| #ifdef ZLIB |
| if (bzl != NULL) |
| BIO_free(bzl); |
| #endif |
| if (pass) |
| OPENSSL_free(pass); |
| apps_shutdown(); |
| OPENSSL_EXIT(ret); |
| } |
| |
| int set_hex(char *in, unsigned char *out, int size) |
| { |
| int i, n; |
| unsigned char j; |
| |
| n = strlen(in); |
| if (n > (size * 2)) { |
| BIO_printf(bio_err, "hex string is too long\n"); |
| return (0); |
| } |
| memset(out, 0, size); |
| for (i = 0; i < n; i++) { |
| j = (unsigned char)*in; |
| *(in++) = '\0'; |
| if (j == 0) |
| break; |
| if ((j >= '0') && (j <= '9')) |
| j -= '0'; |
| else if ((j >= 'A') && (j <= 'F')) |
| j = j - 'A' + 10; |
| else if ((j >= 'a') && (j <= 'f')) |
| j = j - 'a' + 10; |
| else { |
| BIO_printf(bio_err, "non-hex digit\n"); |
| return (0); |
| } |
| if (i & 1) |
| out[i / 2] |= j; |
| else |
| out[i / 2] = (j << 4); |
| } |
| return (1); |
| } |
