From 25cdbcd9e5d20e431f829cafce48a418830011f4 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 6 Aug 2006 23:03:08 +1000 Subject: [CRYPTO] crc32c: Fix unconventional setkey usage The convention for setkey is that once it is set it should not change, in particular, init must not wipe out the key set by it. In fact, init should always be used after setkey before any digestion is performed. The only user of crc32c that sets the key is tcrypt. This patch adds the necessary init calls there. Signed-off-by: Herbert Xu --- crypto/tcrypt.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'crypto/tcrypt.c') diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index e52f56c5bd5e..bed225e83231 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -810,6 +810,7 @@ static void test_crc32c(void) seed = SEEDTESTVAL; (void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32)); + crypto_digest_init(tfm); crypto_digest_final(tfm, (u8*)&crc); printk("testing crc32c setkey returns %08x : %s\n", crc, (crc == (SEEDTESTVAL ^ ~(u32)0)) ? "pass" : "ERROR"); @@ -821,6 +822,7 @@ static void test_crc32c(void) for (i = 0; i < NUMVEC; i++) { seed = ~(u32)0; (void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32)); + crypto_digest_init(tfm); crypto_digest_update(tfm, &sg[i], 1); crypto_digest_final(tfm, (u8*)&crc); if (crc == vec_results[i]) { @@ -836,6 +838,7 @@ static void test_crc32c(void) for (i = 0; i < NUMVEC; i++) { seed = (crc ^ ~(u32)0); (void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32)); + crypto_digest_init(tfm); crypto_digest_update(tfm, &sg[i], 1); crypto_digest_final(tfm, (u8*)&crc); } @@ -849,6 +852,7 @@ static void test_crc32c(void) printk("\ntesting crc32c using digest:\n"); seed = ~(u32)0; (void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32)); + crypto_digest_init(tfm); crypto_digest_digest(tfm, sg, NUMVEC, (u8*)&crc); if (crc == tot_vec_results) { printk(" %08x:OK", crc); -- cgit v1.2.3-59-g8ed1b