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authorTycho <work.tycho+git@gmail.com>2014-02-01 00:31:05 +0100
committerTycho <work.tycho+git@gmail.com>2014-02-01 00:31:05 +0100
commitfec17409d2f566af18bad269fe2c5c372a474ecb (patch)
tree93baa2311e38fddb86a68e550955c261ac96cf3b /src/Crypto.h
parentChanged signitures of Several BLockHandler Methods (diff)
parentContributors now match real life, and are alpha-sorted. (diff)
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Diffstat (limited to '')
-rw-r--r--src/Crypto.h31
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
{