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Fix (stupid) crc32 keyfile endianess bug.

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This commit is contained in:
Milan Broz
2012-12-01 14:32:01 +01:00
parent d05f020d5a
commit 72c111bac4
1 changed files with 4 additions and 5 deletions
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9
lib/tcrypt/tcrypt.c
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@@ -428,7 +428,6 @@ static int pool_keyfile(struct crypt_device *cd,
unsigned char data[TCRYPT_KEYFILE_LEN];
int i, j, fd, data_size;
uint32_t crc;
unsigned char *crc_c = (unsigned char*)&crc;
log_dbg("TCRYPT: using keyfile %s.", keyfile);
@@ -448,10 +447,10 @@ static int pool_keyfile(struct crypt_device *cd,
for (i = 0, j = 0, crc = ~0U; i < data_size; i++) {
crc = crypt_crc32(crc, &data[i], 1);
pool[j++] += crc_c[3];
pool[j++] += crc_c[2];
pool[j++] += crc_c[1];
pool[j++] += crc_c[0];
pool[j++] += (unsigned char)(crc >> 24);
pool[j++] += (unsigned char)(crc >> 16);
pool[j++] += (unsigned char)(crc >> 8);
pool[j++] += (unsigned char)(crc);
j %= TCRYPT_KEY_POOL_LEN;
}