diff options
Diffstat (limited to 'src/Crypto.h')
| -rw-r--r-- | src/Crypto.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/Crypto.h b/src/Crypto.h index a97f34fbf..d68f7ec24 100644 --- a/src/Crypto.h +++ b/src/Crypto.h @@ -14,6 +14,7 @@ #include "polarssl/entropy.h" #include "polarssl/ctr_drbg.h" #include "polarssl/sha1.h" +#include "polarssl/pk.h" @@ -62,6 +63,36 @@ protected: +class cPublicKey +{ +public: + cPublicKey(const AString & a_PublicKeyDER); + ~cPublicKey(); + + /** Decrypts the data using the stored public key + Both a_EncryptedData and a_DecryptedData must be at least <KeySizeBytes> bytes large. + Returns the number of bytes decrypted, or negative number for error. */ + int Decrypt(const Byte * a_EncryptedData, size_t a_EncryptedLength, Byte * a_DecryptedData, size_t a_DecryptedMaxLength); + + /** Encrypts the data using the stored public key + Both a_EncryptedData and a_DecryptedData must be at least <KeySizeBytes> bytes large. + Returns the number of bytes decrypted, or negative number for error. */ + int Encrypt(const Byte * a_PlainData, size_t a_PlainLength, Byte * a_EncryptedData, size_t a_EncryptedMaxLength); + +protected: + pk_context m_Pk; + entropy_context m_Entropy; + ctr_drbg_context m_Ctr_drbg; + + /** Initializes the m_Entropy and m_Ctr_drbg contexts + Common part of this object's construction, called from all constructors. */ + void InitRnd(void); +} ; + + + + + /** Decrypts data using the AES / CFB (128) algorithm */ class cAESCFBDecryptor { |