message: Fix wallet/test/crypto_tests.cpp for OpenSSL 1.1 API.
  This avoids a compile failure on newly installed debian stretch systems.
diff: @@ -42,15 +42,19 @@ bool OldEncrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char>
  int nCLen = nLen + AES_BLOCK_SIZE, nFLen = 0;
  vchCiphertext = std::vector<unsigned char> (nCLen);
  - EVP_CIPHER_CTX ctx;
  + EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
  +
  + if (!ctx) return false;
  bool fOk = true;
  - EVP_CIPHER_CTX_init(&ctx);
  - if (fOk) fOk = EVP_EncryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0;
  - if (fOk) fOk = EVP_EncryptUpdate(&ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen) != 0;
  - if (fOk) fOk = EVP_EncryptFinal_ex(&ctx, (&vchCiphertext[0]) + nCLen, &nFLen) != 0;
  - EVP_CIPHER_CTX_cleanup(&ctx);
  + EVP_CIPHER_CTX_init(ctx);
  + if (fOk) fOk = EVP_EncryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0;
  + if (fOk) fOk = EVP_EncryptUpdate(ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen) != 0;
  + if (fOk) fOk = EVP_EncryptFinal_ex(ctx, (&vchCiphertext[0]) + nCLen, &nFLen) != 0;
  + EVP_CIPHER_CTX_cleanup(ctx);
  +
  + EVP_CIPHER_CTX_free(ctx);
  if (!fOk) return false;
  @@ -66,15 +70,19 @@ bool OldDecrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial
  vchPlaintext = CKeyingMaterial(nPLen);
  - EVP_CIPHER_CTX ctx;
  + EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
  +
  + if (!ctx) return false;
  bool fOk = true;
  - EVP_CIPHER_CTX_init(&ctx);
  - if (fOk) fOk = EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0;
  - if (fOk) fOk = EVP_DecryptUpdate(&ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen) != 0;
  - if (fOk) fOk = EVP_DecryptFinal_ex(&ctx, (&vchPlaintext[0]) + nPLen, &nFLen) != 0;
  - EVP_CIPHER_CTX_cleanup(&ctx);
  + EVP_CIPHER_CTX_init(ctx);
  + if (fOk) fOk = EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, chKey, chIV) != 0;
  + if (fOk) fOk = EVP_DecryptUpdate(ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen) != 0;
  + if (fOk) fOk = EVP_DecryptFinal_ex(ctx, (&vchPlaintext[0]) + nPLen, &nFLen) != 0;
  + EVP_CIPHER_CTX_cleanup(ctx);
  +
  + EVP_CIPHER_CTX_free(ctx);
  if (!fOk) return false;
  