Rename MySigningDriver* to MySigning*

2015-03-10 00:07:57 +01:00
parent 7a1cdd06e1
commit 6d0ae813c4
16 changed files with 73 additions and 73 deletions
@@ -0,0 +1,40 @@
+/*
+ ATSHA204 signing backend. The Atmel ATSHA204 offers true random number generation and
+ HMAC-SHA256 authentication with a readout-protected key.
+ 
+ Created by Patrick "Anticimex" Fallberg <patrick@fallberg.net>
+*/
+#ifndef MySigningAtsha204_h
+#define MySigningAtsha204_h
+
+#include "MyConfig.h"
+#include "MySigning.h"
+#include "utility/ATSHA204.h"
+#include <stdint.h>
+
+#define SIGNING_IDENTIFIER (1)
+
+// The ATSHA204 is capable of generating proper random numbers for nonce
+// and can calculate HMAC-SHA256 signatures. This is enterprise-
+// level of security and ought to implement the signing needs for anybody.
+class MySigningAtsha204 : public MySigning
+{ 
+public:
+	MySigningAtsha204(bool requestSignatures=true, uint8_t atshaPin = MY_ATSHA204_PIN);
+	bool getNonce(MyMessage &msg);
+	bool checkTimer(void);
+	bool putNonce(MyMessage &msg);
+	bool signMsg(MyMessage &msg);
+	bool verifyMsg(MyMessage &msg);
+private:
+	atsha204Class atsha204;
+	unsigned long timestamp;
+	bool verification_ongoing;
+	uint8_t current_nonce[NONCE_NUMIN_SIZE_PASSTHROUGH];
+	uint8_t temp_message[32];
+	uint8_t rx_buffer[SHA204_RSP_SIZE_MAX];
+	uint8_t tx_buffer[SHA204_CMD_SIZE_MAX];
+	bool calculateSignature(MyMessage &msg);
+};
+
+#endif