{
uint32_t a, b, c, d;
- /*
- * 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;
+ a = hash[0];
+ b = hash[1];
+ c = hash[2];
+ d = hash[3];
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
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)
.hash = hash,
};
+ memset(md5_ctx.hash, 0, sizeof(hdr->md5_digest));
md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr));
if (memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(hash))) {
.hash = (uint32_t *) hdr->md5_digest,
};
+ memset(md5_ctx.hash, 0, sizeof(hdr->md5_digest));
md5_update(&md5_ctx, p, len);
}