Virgil Security Crypto library  2.2.2
VirgilCipherBase.h
1 
37 #ifndef VIRGIL_CIPHER_BASE_H
38 #define VIRGIL_CIPHER_BASE_H
39 
40 #include <map>
41 #include <set>
42 #include <memory>
43 
44 #include <virgil/crypto/VirgilByteArray.h>
45 #include <virgil/crypto/VirgilCustomParams.h>
46 
50 namespace virgil { namespace crypto { namespace foundation {
52 class VirgilSymmetricCipher;
53 }}}
55 
56 namespace virgil { namespace crypto {
57 
62 public:
67 
68 public:
72 
79  void addKeyRecipient(const VirgilByteArray& recipientId, const VirgilByteArray& publicKey);
80 
86  void removeKeyRecipient(const VirgilByteArray& recipientId);
87 
98  bool keyRecipientExists(const VirgilByteArray& recipientId) const;
99 
108  void addPasswordRecipient(const VirgilByteArray& pwd);
109 
114  void removePasswordRecipient(const VirgilByteArray& pwd);
115 
125  bool passwordRecipientExists(const VirgilByteArray& password) const;
126 
130  void removeAllRecipients();
132 
138 
148  VirgilByteArray getContentInfo() const;
149 
156  void setContentInfo(const VirgilByteArray& contentInfo);
157 
162  static size_t defineContentInfoSize(const VirgilByteArray& data);
164 
171 
177  VirgilCustomParams& customParams();
178 
183  const VirgilCustomParams& customParams() const;
185 
188 
202  static VirgilByteArray computeShared(
203  const VirgilByteArray& publicKey,
204  const VirgilByteArray& privateKey, const VirgilByteArray& privateKeyPassword = VirgilByteArray());
206 
207 protected:
216  VirgilByteArray tryReadContentInfo(const VirgilByteArray& encryptedData);
217 
225 
231  virgil::crypto::foundation::VirgilSymmetricCipher& initDecryptionWithPassword(const VirgilByteArray& pwd);
232 
241  const VirgilByteArray& recipientId,
242  const VirgilByteArray& privateKey, const VirgilByteArray& privateKeyPassword);
243 
249 
256  void buildContentInfo();
257 
266  void clearCipherInfo();
267 
268 public:
270  VirgilCipherBase(VirgilCipherBase&& rhs) noexcept;
271 
272  VirgilCipherBase& operator=(VirgilCipherBase&& rhs) noexcept;
273 
274  virtual ~VirgilCipherBase() noexcept;
276 
277 private:
278  virtual VirgilByteArray doDecryptWithKey(
279  const VirgilByteArray& algorithm, const VirgilByteArray& encryptedKey,
280  const VirgilByteArray& privateKey, const VirgilByteArray& privateKeyPassword) const;
281 
282  virtual VirgilByteArray doDecryptWithPassword(
283  const VirgilByteArray& encryptedKey, const VirgilByteArray& encryptionAlgorithm,
284  const VirgilByteArray& password) const;
285 
286 private:
287  class Impl;
288 
289  std::unique_ptr<Impl> impl_;
290 };
291 
292 }}
293 
294 #endif /* VIRGIL_CIPHER_BASE_H */
Data object that represent ASN.1 structure: VirgilCustomParams.
Definition: VirgilCustomParams.h:51
Root namespace for all Virgil Security libraries.
Definition: VirgilAsn1Compatible.h:46
std::vector< unsigned char > VirgilByteArray
This type represents a sequence of bytes.
Definition: VirgilByteArray.h:54
Provides symmetric ciphers algorithms.
Definition: VirgilSymmetricCipher.h:52
This class provides configuration methods to all Virgil*Cipher classes.
Definition: VirgilCipherBase.h:61