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Keir Fraser
219c37ca95
This patch adds support for the qcow2 image format to blktap. It consists mostly of qemu code, adapted to the blktap interfaces. Snapshots and compressed images are supported. The qcow2 driver may be used by either specifying tap:qcow2 or by using tap:qcow which will detect that you have a version 2 image and will call the qcow2 driver. Signed-off-by: Kevin Wolf <kwolf@suse.de>
29 lines
738 B
C
29 lines
738 B
C
#ifndef QEMU_AES_H
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#define QEMU_AES_H
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#include <stdint.h>
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#define AES_MAXNR 14
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#define AES_BLOCK_SIZE 16
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struct aes_key_st {
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uint32_t rd_key[4 *(AES_MAXNR + 1)];
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int rounds;
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};
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typedef struct aes_key_st AES_KEY;
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int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key);
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int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key);
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void AES_encrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key);
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void AES_decrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key);
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void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
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const unsigned long length, const AES_KEY *key,
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unsigned char *ivec, const int enc);
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#endif
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