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			96 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| --- a/net80211/ieee80211_crypto_ccmp.c
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| +++ b/net80211/ieee80211_crypto_ccmp.c
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| @@ -115,6 +115,7 @@ ccmp_attach(struct ieee80211vap *vap, st
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|  /* This function (crypto_alloc_foo might sleep. Therefore:
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|   * Context: process
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|   */
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| +#ifdef CONFIG_CRYPTO
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|  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
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|  	ctx->cc_tfm = crypto_alloc_tfm("aes", 0);
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|  #else
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| @@ -123,7 +124,8 @@ ccmp_attach(struct ieee80211vap *vap, st
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|  	if (IS_ERR(ctx->cc_tfm))
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|  		ctx->cc_tfm = NULL;
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|  #endif
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| -	
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| +#endif
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| +
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|  	if (ctx->cc_tfm == NULL) {
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|  		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
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|  				"%s: unable to load kernel AES crypto support\n",
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| @@ -138,12 +140,14 @@ ccmp_detach(struct ieee80211_key *k)
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|  {
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|  	struct ccmp_ctx *ctx = k->wk_private;
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|  
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| +#ifdef CONFIG_CRYPTO
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|  	if (ctx->cc_tfm != NULL)
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|  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
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|  		crypto_free_tfm(ctx->cc_tfm);
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|  #else
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|  		crypto_free_cipher(ctx->cc_tfm);
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|  #endif
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| +#endif
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|  	FREE(ctx, M_DEVBUF);
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|  
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|  	_MOD_DEC_USE(THIS_MODULE);
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| @@ -169,7 +173,9 @@ ccmp_setkey(struct ieee80211_key *k)
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|  			return 0;
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|  		}
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|  
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| +#ifdef CONFIG_CRYPTO
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|  		crypto_cipher_setkey(ctx->cc_tfm, k->wk_key, k->wk_keylen);
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| +#endif
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|  	}
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|  
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|  	return 1;
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| @@ -324,6 +330,7 @@ xor_block(u8 *b, const u8 *a, size_t len
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|  static void
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|  rijndael_encrypt(struct crypto_cipher *tfm, const void *src, void *dst)
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|  {
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| +#ifdef CONFIG_CRYPTO
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|  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
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|  	crypto_cipher_encrypt_one(tfm, dst, src);
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|  #else
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| @@ -339,6 +346,7 @@ rijndael_encrypt(struct crypto_cipher *t
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|  	sg_dst.length = AES_BLOCK_LEN;
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|  	crypto_cipher_encrypt(tfm, &sg_dst, &sg_src, AES_BLOCK_LEN);
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|  #endif
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| +#endif
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|  }
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|  
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|  /*
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| @@ -475,6 +483,9 @@ ccmp_encrypt(struct ieee80211_key *key, 
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|  	uint8_t *mic, *pos;
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|  	u_int space;
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|  
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| +	if (ctx->cc_tfm == NULL)
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| +		return 0;
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| +
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|  	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
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|  
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|  	skb = skb0;
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| @@ -589,6 +600,9 @@ ccmp_decrypt(struct ieee80211_key *key, 
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|  	uint8_t *pos, *mic;
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|  	u_int space;
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|  
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| +	if (ctx->cc_tfm == NULL)
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| +		return 0;
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| +
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|  	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
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|  
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|  	skb = skb0;
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| --- a/Makefile
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| +++ b/Makefile
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| @@ -192,11 +192,4 @@ endif
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|  	    exit 1; \
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|  	fi
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|  	
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| -	@# check crypto support is enabled
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| -	@if [ -z "$(CONFIG_CRYPTO)" ]; then \
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| -	    echo "FAILED"; \
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| -	    echo "Please enable crypto API."; \
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| -	    exit 1; \
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| -	fi
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| -	
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|  	@echo "ok."
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