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authormadmaxoft <github@xoft.cz>2014-05-02 19:34:28 +0200
committermadmaxoft <github@xoft.cz>2014-05-02 19:34:28 +0200
commit839447f0bbdf97eb9b3c07f943647fa9c92b1e5b (patch)
tree3cde3e248dc73e19f3b241245fdff612842f9632 /src/PolarSSL++/PublicKey.cpp
parentA tiny speed improvement in ApplyFoodExhaustion() (diff)
parentFixed MagmaCube spawning. (diff)
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Diffstat (limited to 'src/PolarSSL++/PublicKey.cpp')
-rw-r--r--src/PolarSSL++/PublicKey.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/PolarSSL++/PublicKey.cpp b/src/PolarSSL++/PublicKey.cpp
new file mode 100644
index 000000000..49794a0c8
--- /dev/null
+++ b/src/PolarSSL++/PublicKey.cpp
@@ -0,0 +1,73 @@
+
+// PublicKey.cpp
+
+// Implements the cPublicKey class representing a RSA public key in PolarSSL
+
+#include "Globals.h"
+#include "PublicKey.h"
+
+
+
+
+
+cPublicKey::cPublicKey(const AString & a_PublicKeyDER)
+{
+ pk_init(&m_Pk);
+ if (pk_parse_public_key(&m_Pk, (const Byte *)a_PublicKeyDER.data(), a_PublicKeyDER.size()) != 0)
+ {
+ ASSERT(!"Cannot parse PubKey");
+ return;
+ }
+ m_CtrDrbg.Initialize("rsa_pubkey", 10);
+}
+
+
+
+
+
+cPublicKey::~cPublicKey()
+{
+ pk_free(&m_Pk);
+}
+
+
+
+
+
+int cPublicKey::Decrypt(const Byte * a_EncryptedData, size_t a_EncryptedLength, Byte * a_DecryptedData, size_t a_DecryptedMaxLength)
+{
+ size_t DecryptedLen = a_DecryptedMaxLength;
+ int res = pk_decrypt(&m_Pk,
+ a_EncryptedData, a_EncryptedLength,
+ a_DecryptedData, &DecryptedLen, a_DecryptedMaxLength,
+ ctr_drbg_random, m_CtrDrbg.GetInternal()
+ );
+ if (res != 0)
+ {
+ return res;
+ }
+ return (int)DecryptedLen;
+}
+
+
+
+
+
+int cPublicKey::Encrypt(const Byte * a_PlainData, size_t a_PlainLength, Byte * a_EncryptedData, size_t a_EncryptedMaxLength)
+{
+ size_t EncryptedLength = a_EncryptedMaxLength;
+ int res = pk_encrypt(&m_Pk,
+ a_PlainData, a_PlainLength, a_EncryptedData, &EncryptedLength, a_EncryptedMaxLength,
+ ctr_drbg_random, m_CtrDrbg.GetInternal()
+ );
+ if (res != 0)
+ {
+ return res;
+ }
+ return (int)EncryptedLength;
+}
+
+
+
+
+