add white cloner pwdgen algo (thanks to @paleopterix!)

2020-09-19 11:08:01 +02:00
parent a32fbd21bd
commit 1aa9600048
4 changed files with 35 additions and 1 deletions
--- a/common/commonutil.c
+++ b/common/commonutil.c
@@ -142,3 +142,15 @@ void htole24(uint32_t val, uint8_t data[3]) {
    data[2] = (uint8_t)(val >> 16);
 }

+
+// ROL on u32
+uint32_t rotl(uint32_t a, uint8_t n) {
+	n &= 31; 
+  	return (a << n) | (a >> (32 - n));
+}
+
+// ROR on u32
+uint32_t rotr(uint32_t a, uint8_t n) {
+	n &= 31;
+  	return (a >> n) | (a << (32 - n));
+}