Initial

1 files changed, 12 insertions, 0 deletions

diff --git a/rsa.cpp b/rsa.cpp
new file mode 100644
index 0000000..11bf0eb
--- /dev/null
+++ b/rsa.cpp
@@ -0,0 +1,12 @@
+#include <cassert>
+#include "numalgo.h"
+#include "rsa.h"
+
+Bigint encrypt(const PublicKey &pubkey,Bigint msg){
+	assert(msg>1&&msg<pubkey.mod);
+	return expmod(msg,pubkey.exp,pubkey.mod);
+}
+
+Bigint decrypt(const PrivateKey &privkey,Bigint encr){
+	return expmod(encr,privkey.pexp,privkey.pub.mod);
+}