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8d60539842
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
33 lines
982 B
C
33 lines
982 B
C
/*
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* geniv: IV generation
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*
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* Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_INTERNAL_GENIV_H
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#define _CRYPTO_INTERNAL_GENIV_H
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#include <crypto/internal/aead.h>
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#include <linux/spinlock.h>
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#include <linux/types.h>
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struct aead_geniv_ctx {
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spinlock_t lock;
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struct crypto_aead *child;
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struct crypto_sync_skcipher *sknull;
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u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
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};
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struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
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struct rtattr **tb, u32 type, u32 mask);
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void aead_geniv_free(struct aead_instance *inst);
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int aead_init_geniv(struct crypto_aead *tfm);
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void aead_exit_geniv(struct crypto_aead *tfm);
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#endif /* _CRYPTO_INTERNAL_GENIV_H */
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