cipher_idea.c 1.7 KB

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  1. /*
  2. * Copyright 2019-2020 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. * IDEA low level APIs are deprecated for public use, but still ok for internal
  11. * use where we're using them to implement the higher level EVP interface, as is
  12. * the case here.
  13. */
  14. #include "internal/deprecated.h"
  15. /* Dispatch functions for Idea cipher modes ecb, cbc, ofb, cfb */
  16. #include "cipher_idea.h"
  17. #include "prov/implementations.h"
  18. #include "prov/providercommon.h"
  19. static OSSL_FUNC_cipher_freectx_fn idea_freectx;
  20. static OSSL_FUNC_cipher_dupctx_fn idea_dupctx;
  21. static void idea_freectx(void *vctx)
  22. {
  23. PROV_IDEA_CTX *ctx = (PROV_IDEA_CTX *)vctx;
  24. ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
  25. OPENSSL_clear_free(ctx, sizeof(*ctx));
  26. }
  27. static void *idea_dupctx(void *ctx)
  28. {
  29. PROV_IDEA_CTX *in = (PROV_IDEA_CTX *)ctx;
  30. PROV_IDEA_CTX *ret;
  31. if (!ossl_prov_is_running())
  32. return NULL;
  33. ret = OPENSSL_malloc(sizeof(*ret));
  34. if (ret == NULL) {
  35. ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
  36. return NULL;
  37. }
  38. *ret = *in;
  39. return ret;
  40. }
  41. /* ossl_idea128ecb_functions */
  42. IMPLEMENT_generic_cipher(idea, IDEA, ecb, ECB, 0, 128, 64, 0, block)
  43. /* ossl_idea128cbc_functions */
  44. IMPLEMENT_generic_cipher(idea, IDEA, cbc, CBC, 0, 128, 64, 64, block)
  45. /* ossl_idea128ofb64_functions */
  46. IMPLEMENT_generic_cipher(idea, IDEA, ofb64, OFB, 0, 128, 8, 64, stream)
  47. /* ossl_idea128cfb64_functions */
  48. IMPLEMENT_generic_cipher(idea, IDEA, cfb64, CFB, 0, 128, 8, 64, stream)