read2pwd.c 6.5 KB

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  1. /* crypto/des/read2pwd.c */
  2. /* ====================================================================
  3. * Copyright (c) 2001-2002 The OpenSSL Project. All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. *
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in
  14. * the documentation and/or other materials provided with the
  15. * distribution.
  16. *
  17. * 3. All advertising materials mentioning features or use of this
  18. * software must display the following acknowledgment:
  19. * "This product includes software developed by the OpenSSL Project
  20. * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  21. *
  22. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23. * endorse or promote products derived from this software without
  24. * prior written permission. For written permission, please contact
  25. * openssl-core@openssl.org.
  26. *
  27. * 5. Products derived from this software may not be called "OpenSSL"
  28. * nor may "OpenSSL" appear in their names without prior written
  29. * permission of the OpenSSL Project.
  30. *
  31. * 6. Redistributions of any form whatsoever must retain the following
  32. * acknowledgment:
  33. * "This product includes software developed by the OpenSSL Project
  34. * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  35. *
  36. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47. * OF THE POSSIBILITY OF SUCH DAMAGE.
  48. * ====================================================================
  49. *
  50. * This product includes cryptographic software written by Eric Young
  51. * (eay@cryptsoft.com). This product includes software written by Tim
  52. * Hudson (tjh@cryptsoft.com).
  53. *
  54. */
  55. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  56. * All rights reserved.
  57. *
  58. * This package is an SSL implementation written
  59. * by Eric Young (eay@cryptsoft.com).
  60. * The implementation was written so as to conform with Netscapes SSL.
  61. *
  62. * This library is free for commercial and non-commercial use as long as
  63. * the following conditions are aheared to. The following conditions
  64. * apply to all code found in this distribution, be it the RC4, RSA,
  65. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  66. * included with this distribution is covered by the same copyright terms
  67. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  68. *
  69. * Copyright remains Eric Young's, and as such any Copyright notices in
  70. * the code are not to be removed.
  71. * If this package is used in a product, Eric Young should be given attribution
  72. * as the author of the parts of the library used.
  73. * This can be in the form of a textual message at program startup or
  74. * in documentation (online or textual) provided with the package.
  75. *
  76. * Redistribution and use in source and binary forms, with or without
  77. * modification, are permitted provided that the following conditions
  78. * are met:
  79. * 1. Redistributions of source code must retain the copyright
  80. * notice, this list of conditions and the following disclaimer.
  81. * 2. Redistributions in binary form must reproduce the above copyright
  82. * notice, this list of conditions and the following disclaimer in the
  83. * documentation and/or other materials provided with the distribution.
  84. * 3. All advertising materials mentioning features or use of this software
  85. * must display the following acknowledgement:
  86. * "This product includes cryptographic software written by
  87. * Eric Young (eay@cryptsoft.com)"
  88. * The word 'cryptographic' can be left out if the rouines from the library
  89. * being used are not cryptographic related :-).
  90. * 4. If you include any Windows specific code (or a derivative thereof) from
  91. * the apps directory (application code) you must include an acknowledgement:
  92. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  93. *
  94. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  95. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  96. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  97. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  98. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  99. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  100. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  101. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  102. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  103. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  104. * SUCH DAMAGE.
  105. *
  106. * The licence and distribution terms for any publically available version or
  107. * derivative of this code cannot be changed. i.e. this code cannot simply be
  108. * copied and put under another distribution licence
  109. * [including the GNU Public Licence.]
  110. */
  111. #include <string.h>
  112. #include <openssl/des.h>
  113. #include <openssl/ui.h>
  114. #include <openssl/crypto.h>
  115. int DES_read_password(DES_cblock *key, const char *prompt, int verify)
  116. {
  117. int ok;
  118. char buf[BUFSIZ], buff[BUFSIZ];
  119. if ((ok = UI_UTIL_read_pw(buf, buff, BUFSIZ, prompt, verify)) == 0)
  120. DES_string_to_key(buf, key);
  121. OPENSSL_cleanse(buf, BUFSIZ);
  122. OPENSSL_cleanse(buff, BUFSIZ);
  123. return (ok);
  124. }
  125. int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2,
  126. const char *prompt, int verify)
  127. {
  128. int ok;
  129. char buf[BUFSIZ], buff[BUFSIZ];
  130. if ((ok = UI_UTIL_read_pw(buf, buff, BUFSIZ, prompt, verify)) == 0)
  131. DES_string_to_2keys(buf, key1, key2);
  132. OPENSSL_cleanse(buf, BUFSIZ);
  133. OPENSSL_cleanse(buff, BUFSIZ);
  134. return (ok);
  135. }