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[proxmark3-svn]
/
client
/
nonce2key
/
crypto1.c
diff --git
a/client/nonce2key/crypto1.c
b/client/nonce2key/crypto1.c
index e5a3fe73dc59ff2e8f53dee2d8a6273d2b8a6b96..268d55a046378291cce7f2a40ca41ab59610b0d7 100644
(file)
--- a/
client/nonce2key/crypto1.c
+++ b/
client/nonce2key/crypto1.c
@@
-23,10
+23,13
@@
struct Crypto1State * crypto1_create(uint64_t key)
{
struct Crypto1State *s = malloc(sizeof(*s));
struct Crypto1State * crypto1_create(uint64_t key)
{
struct Crypto1State *s = malloc(sizeof(*s));
- s->odd = s->even = 0;
- int i;
+ if ( !s ) return NULL;
- for(i = 47;s && i > 0; i -= 2) {
+ s->odd = s->even = 0;
+
+ int i;
+ //for(i = 47;s && i > 0; i -= 2) {
+ for(i = 47; i > 0; i -= 2) {
s->odd = s->odd << 1 | BIT(key, (i - 1) ^ 7);
s->even = s->even << 1 | BIT(key, i ^ 7);
}
s->odd = s->odd << 1 | BIT(key, (i - 1) ^ 7);
s->even = s->even << 1 | BIT(key, i ^ 7);
}
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