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Add sample crc64 checksum
[fio.git]
/
md5.c
diff --git
a/md5.c
b/md5.c
index cf1f814a0d63c2cee558c8049140156e90f9723c..6b61012e85da005d418a7c4ea1ef22349038ed82 100644
(file)
--- a/
md5.c
+++ b/
md5.c
@@
-9,10
+9,11
@@
static void md5_transform(uint32_t *hash, uint32_t const *in)
{
uint32_t a, b, c, d;
{
uint32_t a, b, c, d;
- a = hash[0];
- b = hash[1];
- c = hash[2];
- d = hash[3];
+ /*
+ * This used to be set from the hash[0..3] input, but we can
+ * skip a memory clear if we just start from 0 instead.
+ */
+ a = b = c = d = 0;
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
@@
-82,10
+83,10
@@
static void md5_transform(uint32_t *hash, uint32_t const *in)
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
- hash[0]
+
= a;
- hash[1]
+
= b;
- hash[2]
+
= c;
- hash[3]
+
= d;
+ hash[0] = a;
+ hash[1] = b;
+ hash[2] = c;
+ hash[3] = d;
}
void md5_update(struct md5_ctx *mctx, const uint8_t *data, unsigned int len)
}
void md5_update(struct md5_ctx *mctx, const uint8_t *data, unsigned int len)