49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
|
|
// PublicKey.h
|
|
|
|
// Declares the cPublicKey class representing a RSA public key in PolarSSL
|
|
|
|
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
#include "CtrDrbgContext.h"
|
|
#include "polarssl/pk.h"
|
|
|
|
|
|
|
|
|
|
|
|
class cPublicKey
|
|
{
|
|
public:
|
|
/** Constructs the public key out of the DER-encoded pubkey data */
|
|
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:
|
|
/** The public key PolarSSL representation */
|
|
pk_context m_Pk;
|
|
|
|
/** The random generator used in encryption and decryption */
|
|
cCtrDrbgContext m_CtrDrbg;
|
|
} ;
|
|
|
|
|
|
|
|
|
|
|