A local copy of OpenSSL from GitHub
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23 years ago
  1. /*
  2. * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. /*
  10. * BF low level APIs are deprecated for public use, but still ok for internal
  11. * use.
  12. */
  13. #include "internal/deprecated.h"
  14. #include <openssl/blowfish.h>
  15. #include "bf_local.h"
  16. #include <openssl/opensslv.h>
  17. /*
  18. * Blowfish as implemented from 'Blowfish: Springer-Verlag paper' (From
  19. * LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, CAMBRIDGE
  20. * SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993)
  21. */
  22. const char *BF_options(void)
  23. {
  24. return "blowfish(ptr)";
  25. }
  26. void BF_ecb_encrypt(const unsigned char *in, unsigned char *out,
  27. const BF_KEY *key, int encrypt)
  28. {
  29. BF_LONG l, d[2];
  30. n2l(in, l);
  31. d[0] = l;
  32. n2l(in, l);
  33. d[1] = l;
  34. if (encrypt)
  35. BF_encrypt(d, key);
  36. else
  37. BF_decrypt(d, key);
  38. l = d[0];
  39. l2n(l, out);
  40. l = d[1];
  41. l2n(l, out);
  42. l = d[0] = d[1] = 0;
  43. }