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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2019-08-15 12:01:08 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-08-22 07:57:33 +0300 |
| commit | 6b5c4818621fb0d3eda1d4059634b38e09bd7243 (patch) | |
| tree | 28f0d58d67b48bb31db5c35ebcd445c684da25e7 | |
| parent | 4fd4be0576166f0b360d22744e143cd7847b0c29 (diff) | |
| download | linux-6b5c4818621fb0d3eda1d4059634b38e09bd7243.tar.xz | |
crypto: des - remove unused function
Remove the old DES3 verification functions that are no longer used.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | include/crypto/des.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/include/crypto/des.h b/include/crypto/des.h index 72c7c8e5a5a7..31b04ba835b1 100644 --- a/include/crypto/des.h +++ b/include/crypto/des.h @@ -19,47 +19,6 @@ #define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) #define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE -static inline int __des3_verify_key(u32 *flags, const u8 *key) -{ - int err = -EINVAL; - u32 K[6]; - - memcpy(K, key, DES3_EDE_KEY_SIZE); - - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && - (fips_enabled || - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS))) - goto bad; - - if (unlikely(!((K[0] ^ K[4]) | (K[1] ^ K[5]))) && fips_enabled) - goto bad; - - err = 0; - -out: - memzero_explicit(K, DES3_EDE_KEY_SIZE); - - return err; - -bad: - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - goto out; -} - -static inline int des3_verify_key(struct crypto_skcipher *tfm, const u8 *key) -{ - u32 flags; - int err; - - flags = crypto_skcipher_get_flags(tfm); - err = __des3_verify_key(&flags, key); - crypto_skcipher_set_flags(tfm, flags); - return err; -} - -extern unsigned long des_ekey(u32 *pe, const u8 *k); - extern int __des3_ede_setkey(u32 *expkey, u32 *flags, const u8 *key, unsigned int keylen); |