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>

diff --git a/include/crypto/des.h b/include/crypto/des.h
index 72c7c8e..31b04ba 100644 (file)
--- 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);