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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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11c6e16ee1
This patch add XTS subroutines using VMX-crypto driver. It gives a boost of 20 times using XTS. These code has been adopted from OpenSSL project in collaboration with the original author (Andy Polyakov <appro@openssl.org>). Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com> Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
25 lines
968 B
C
25 lines
968 B
C
#include <linux/types.h>
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#include <crypto/aes.h>
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#define AES_BLOCK_MASK (~(AES_BLOCK_SIZE-1))
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struct aes_key {
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u8 key[AES_MAX_KEYLENGTH];
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int rounds;
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};
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int aes_p8_set_encrypt_key(const u8 *userKey, const int bits,
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struct aes_key *key);
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int aes_p8_set_decrypt_key(const u8 *userKey, const int bits,
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struct aes_key *key);
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void aes_p8_encrypt(const u8 *in, u8 *out, const struct aes_key *key);
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void aes_p8_decrypt(const u8 *in, u8 *out, const struct aes_key *key);
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void aes_p8_cbc_encrypt(const u8 *in, u8 *out, size_t len,
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const struct aes_key *key, u8 *iv, const int enc);
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void aes_p8_ctr32_encrypt_blocks(const u8 *in, u8 *out,
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size_t len, const struct aes_key *key,
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const u8 *iv);
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void aes_p8_xts_encrypt(const u8 *in, u8 *out, size_t len,
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const struct aes_key *key1, const struct aes_key *key2, u8 *iv);
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void aes_p8_xts_decrypt(const u8 *in, u8 *out, size_t len,
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const struct aes_key *key1, const struct aes_key *key2, u8 *iv);
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