96e82e4551
This patch exports four tables and the set_key() routine. This ressources can be shared by other AES implementations (aes-x86_64 for instance). The decryption key has been turned around (deckey[0] is the first piece of the key instead of deckey[keylen+20]). The encrypt/decrypt functions are looking now identical (except they are using different tables and key). Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
31 lines
624 B
C
31 lines
624 B
C
/*
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* Common values for AES algorithms
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*/
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#ifndef _CRYPTO_AES_H
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#define _CRYPTO_AES_H
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#include <linux/types.h>
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#include <linux/crypto.h>
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#define AES_MIN_KEY_SIZE 16
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#define AES_MAX_KEY_SIZE 32
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#define AES_KEYSIZE_128 16
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#define AES_KEYSIZE_192 24
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#define AES_KEYSIZE_256 32
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#define AES_BLOCK_SIZE 16
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struct crypto_aes_ctx {
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u32 key_length;
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u32 key_enc[60];
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u32 key_dec[60];
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};
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extern u32 crypto_ft_tab[4][256];
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extern u32 crypto_fl_tab[4][256];
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extern u32 crypto_it_tab[4][256];
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extern u32 crypto_il_tab[4][256];
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int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
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unsigned int key_len);
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#endif
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