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authormadmaxoft <github@xoft.cz>2014-04-24 21:34:45 +0200
committermadmaxoft <github@xoft.cz>2014-04-24 21:53:41 +0200
commitc701adbd241ea84d6f64842e8015c1009a41d786 (patch)
treef79c837e19767ece8c914e3dd001f944079b0aeb /src/PolarSSL++/CtrDrbgContext.cpp
parentChanged cByteBuffer constructor to take a size_t instead of int. (diff)
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Diffstat (limited to 'src/PolarSSL++/CtrDrbgContext.cpp')
-rw-r--r--src/PolarSSL++/CtrDrbgContext.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/PolarSSL++/CtrDrbgContext.cpp b/src/PolarSSL++/CtrDrbgContext.cpp
new file mode 100644
index 000000000..86e6d1ca5
--- /dev/null
+++ b/src/PolarSSL++/CtrDrbgContext.cpp
@@ -0,0 +1,49 @@
+
+// CtrDrbgContext.cpp
+
+// Implements the cCtrDrbgContext class representing a wrapper over CTR-DRBG implementation in PolarSSL
+
+#include "Globals.h"
+#include "CtrDrbgContext.h"
+#include "EntropyContext.h"
+
+
+
+
+
+cCtrDrbgContext::cCtrDrbgContext(void) :
+ m_EntropyContext(new cEntropyContext),
+ m_IsValid(false)
+{
+}
+
+
+
+
+
+cCtrDrbgContext::cCtrDrbgContext(const SharedPtr<cEntropyContext> & a_EntropyContext) :
+ m_EntropyContext(a_EntropyContext),
+ m_IsValid(false)
+{
+}
+
+
+
+
+
+int cCtrDrbgContext::Initialize(const void * a_Custom, size_t a_CustomSize)
+{
+ if (m_IsValid)
+ {
+ // Already initialized
+ return 0;
+ }
+
+ int res = ctr_drbg_init(&m_CtrDrbg, entropy_func, &(m_EntropyContext->m_Entropy), (const unsigned char *)a_Custom, a_CustomSize);
+ m_IsValid = (res == 0);
+ return res;
+}
+
+
+
+