From d9f7ae6a4d0895752c1a62657c36433e92104346 Mon Sep 17 00:00:00 2001 From: madmaxoft Date: Tue, 29 Apr 2014 17:13:08 +0200 Subject: Moved cPublicKey to its separate file in PolarSSL++. --- src/PolarSSL++/PublicKey.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/PolarSSL++/PublicKey.cpp (limited to 'src/PolarSSL++/PublicKey.cpp') 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; +} + + + + + -- cgit v1.2.3