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p_dec.c 1.1 KB

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  1. /*
  2. * Copyright 1995-2021 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. /* We need to use the deprecated RSA low level calls */
  10. #define OPENSSL_SUPPRESS_DEPRECATED
  11. #include <stdio.h>
  12. #include "internal/cryptlib.h"
  13. #include <openssl/rsa.h>
  14. #include <openssl/evp.h>
  15. #include <openssl/objects.h>
  16. #include <openssl/x509.h>
  17. #include "crypto/evp.h"
  18. int EVP_PKEY_decrypt_old(unsigned char *key, const unsigned char *ek, int ekl,
  19. EVP_PKEY *priv)
  20. {
  21. int ret = -1;
  22. RSA *rsa = NULL;
  23. if (EVP_PKEY_get_id(priv) != EVP_PKEY_RSA) {
  24. ERR_raise(ERR_LIB_EVP, EVP_R_PUBLIC_KEY_NOT_RSA);
  25. goto err;
  26. }
  27. rsa = evp_pkey_get0_RSA_int(priv);
  28. if (rsa == NULL)
  29. goto err;
  30. ret =
  31. RSA_private_decrypt(ekl, ek, key, rsa, RSA_PKCS1_PADDING);
  32. err:
  33. return ret;
  34. }