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crypto: talitos/des - switch to new verification routines

Browse Source 
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2019-08-15 12:01:05 +03:00 committed by Herbert Xu
parent 08d4b408e8
commit 9d574ae8eb
1 changed files with 7 additions and 30 deletions
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37
drivers/crypto/talitos.c
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@ -30,7 +30,7 @@
#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/des.h>
#include <crypto/internal/des.h>
#include <crypto/sha.h>
#include <crypto/md5.h>
#include <crypto/internal/aead.h>
@ -936,15 +936,9 @@ static int aead_des3_setkey(struct crypto_aead *authenc,
if (keys.authkeylen + keys.enckeylen > TALITOS_MAX_KEY_SIZE)
goto badkey;
if (keys.enckeylen != DES3_EDE_KEY_SIZE)
goto badkey;
flags = crypto_aead_get_flags(authenc);
err = __des3_verify_key(&flags, keys.enckey);
if (unlikely(err)) {
crypto_aead_set_flags(authenc, flags);
err = verify_aead_des3_key(authenc, keys.enckey, keys.enckeylen);
if (err)
goto out;
}
if (ctx->keylen)
dma_unmap_single(dev, ctx->dma_key, ctx->keylen, DMA_TO_DEVICE);
@ -1517,32 +1511,15 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
static int ablkcipher_des_setkey(struct crypto_ablkcipher *cipher,
const u8 *key, unsigned int keylen)
{
u32 tmp[DES_EXPKEY_WORDS];
if (unlikely(crypto_ablkcipher_get_flags(cipher) &
CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) &&
!des_ekey(tmp, key)) {
crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_WEAK_KEY);
return -EINVAL;
}
return ablkcipher_setkey(cipher, key, keylen);
return verify_ablkcipher_des_key(cipher, key) ?:
ablkcipher_setkey(cipher, key, keylen);
}
static int ablkcipher_des3_setkey(struct crypto_ablkcipher *cipher,
const u8 *key, unsigned int keylen)
{
u32 flags;
int err;
flags = crypto_ablkcipher_get_flags(cipher);
err = __des3_verify_key(&flags, key);
if (unlikely(err)) {
crypto_ablkcipher_set_flags(cipher, flags);
return err;
}
return ablkcipher_setkey(cipher, key, keylen);
return verify_ablkcipher_des3_key(cipher, key) ?:
ablkcipher_setkey(cipher, key, keylen);
}
static int ablkcipher_aes_setkey(struct crypto_ablkcipher *cipher,