VeraCrypt
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-rw-r--r--src/Crypto/rdrand.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/Crypto/rdrand.c b/src/Crypto/rdrand.c
new file mode 100644
index 00000000..afed7cd1
--- /dev/null
+++ b/src/Crypto/rdrand.c
@@ -0,0 +1,32 @@
+// rdrand.cpp - written and placed in public domain by Jeffrey Walton and Uri Blumenthal.
+
+/* modified for VeraCrypt */
+
+#include "chacha256.h"
+#include "cpu.h"
+#include "misc.h"
+
+void CRYPTOPP_FASTCALL MASM_RDRAND_GenerateBlock(byte*, size_t);
+void CRYPTOPP_FASTCALL MASM_RDSEED_GenerateBlock(byte*, size_t);
+
+int RDRAND_getBytes(unsigned char* buf, size_t bufLen)
+{
+ if (!buf || !HasRDRAND())
+ return 0;
+
+ if (bufLen)
+ MASM_RDRAND_GenerateBlock(buf, bufLen);
+
+ return 1;
+}
+
+int RDSEED_getBytes(unsigned char* buf, size_t bufLen)
+{
+ if (!buf || !HasRDSEED())
+ return 0;
+
+ if (bufLen)
+ MASM_RDSEED_GenerateBlock(buf, bufLen);
+
+ return 1;
+}