X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=version2%2Fsrc%2FC%2FMac.cpp;fp=version2%2Fsrc%2FC%2FMac.cpp;h=aec7455f153b9ef0b37de482a7f178b235ef00f1;hb=786e40250f31eff04eec25bbcaae3cd916fedb14;hp=0000000000000000000000000000000000000000;hpb=3f24bffc82ebfe2730308b63100af08645316577;p=iotcloud.git

diff --git a/version2/src/C/Mac.cpp b/version2/src/C/Mac.cpp
new file mode 100644
index 0000000..aec7455
--- /dev/null
+++ b/version2/src/C/Mac.cpp
@@ -0,0 +1,20 @@
+#include "Mac.h"
+#include "Crypto.h"
+
+Mac::Mac() {
+}
+
+void Mac::update(Array<char> *array, int32_t offset, int32_t len) {
+	sha2_hmac_update(&ctx, (const unsigned char *) &array->internalArray()[offset], len);
+}
+
+Array<char> *Mac::doFinal() {
+	Array<char> *hmac = new Array<char>(32);
+	sha2_hmac_finish(&ctx, (unsigned char *) hmac->internalArray());
+	sha2_hmac_reset(&ctx);
+	return hmac;
+}
+
+void Mac::init(AESKey *key) {
+	sha2_hmac_starts(&ctx, (const unsigned char *) key->getKey()->internalArray(), key->getKey()->length(), false);
+}