ahash.c (8c32c516eb1c1f9c14d25478442137c698788975) ahash.c (093900c2b964da73daf234374225b5ce5d49f941)
1/*
2 * Asynchronous Cryptographic Hash operations.
3 *
4 * This is the asynchronous version of hash.c with notification of
5 * completion via a callback.
6 *
7 * Copyright (c) 2008 Loc Ho <lho@amcc.com>
8 *

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140{
141 struct ahash_alg *ahash = crypto_ahash_alg(tfm);
142 unsigned long alignmask = crypto_ahash_alignmask(tfm);
143 int ret;
144 u8 *buffer, *alignbuffer;
145 unsigned long absize;
146
147 absize = keylen + alignmask;
1/*
2 * Asynchronous Cryptographic Hash operations.
3 *
4 * This is the asynchronous version of hash.c with notification of
5 * completion via a callback.
6 *
7 * Copyright (c) 2008 Loc Ho <lho@amcc.com>
8 *

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140{
141 struct ahash_alg *ahash = crypto_ahash_alg(tfm);
142 unsigned long alignmask = crypto_ahash_alignmask(tfm);
143 int ret;
144 u8 *buffer, *alignbuffer;
145 unsigned long absize;
146
147 absize = keylen + alignmask;
148 buffer = kmalloc(absize, GFP_ATOMIC);
148 buffer = kmalloc(absize, GFP_KERNEL);
149 if (!buffer)
150 return -ENOMEM;
151
152 alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
153 memcpy(alignbuffer, key, keylen);
154 ret = ahash->setkey(tfm, alignbuffer, keylen);
155 kzfree(buffer);
156 return ret;

--- 151 unchanged lines hidden --- 		149 if (!buffer)
150 return -ENOMEM;
151
152 alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
153 memcpy(alignbuffer, key, keylen);
154 ret = ahash->setkey(tfm, alignbuffer, keylen);
155 kzfree(buffer);
156 return ret;

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