Reduce memory footprint (#703)

tekka007 · web-flow · commit 7445b065ecec · 2016-12-26T23:40:32.000+01:00
diff --git a/drivers/ATSHA204/sha256.cpp b/drivers/ATSHA204/sha256.cpp
@@ -34,14 +34,17 @@ const uint8_t sha256InitState[] PROGMEM = {
 
 Sha256Class::Sha256Class()
 {
+	/*
 	memset(keyBuffer, 0, BLOCK_LENGTH);
 	memset(innerHash, 0, HASH_LENGTH);
 	memset(buffer.b, 0, BLOCK_LENGTH);
 	memset(state.b, 0, BLOCK_LENGTH);
 	bufferOffset = 0;
 	byteCount = 0;
+	*/
 }
 
+
 void Sha256Class::init(void)
 {
 	memcpy_P(state.b,sha256InitState,32);

Original file line number	Diff line number	Diff line change
`@@ -34,14 +34,17 @@ const uint8_t sha256InitState[] PROGMEM = {`
`34`	`34`
`35`	`35`	`Sha256Class::Sha256Class()`
`36`	`36`	`{`
	`37`	`+ /*`
`37`	`38`	`memset(keyBuffer, 0, BLOCK_LENGTH);`
`38`	`39`	`memset(innerHash, 0, HASH_LENGTH);`
`39`	`40`	`memset(buffer.b, 0, BLOCK_LENGTH);`
`40`	`41`	`memset(state.b, 0, BLOCK_LENGTH);`
`41`	`42`	`bufferOffset = 0;`
`42`	`43`	`byteCount = 0;`
	`44`	`+ */`
`43`	`45`	`}`
`44`	`46`
	`47`	`+`
`45`	`48`	`void Sha256Class::init(void)`
`46`	`49`	`{`
`47`	`50`	`memcpy_P(state.b,sha256InitState,32);`