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19f5f88ed7
Link: https://lore.kernel.org/r/20191017131037.9903-3-mlombard@redhat.com Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Tested-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ISCSI_CHAP_H_
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#define _ISCSI_CHAP_H_
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#include <linux/types.h>
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#define CHAP_DIGEST_UNKNOWN 0
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#define CHAP_DIGEST_MD5 5
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#define CHAP_DIGEST_SHA1 6
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#define CHAP_DIGEST_SHA256 7
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#define CHAP_DIGEST_SHA3_256 8
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#define MAX_CHAP_CHALLENGE_LEN 32
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#define CHAP_CHALLENGE_STR_LEN 4096
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#define MAX_RESPONSE_LENGTH 128 /* sufficient for SHA3 256 */
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#define MAX_CHAP_N_SIZE 512
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#define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
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#define SHA1_SIGNATURE_SIZE 20 /* 20 bytes in a SHA1 message digest */
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#define SHA256_SIGNATURE_SIZE 32 /* 32 bytes in a SHA256 message digest */
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#define SHA3_256_SIGNATURE_SIZE 32 /* 32 bytes in a SHA3 256 message digest */
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#define CHAP_STAGE_CLIENT_A 1
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#define CHAP_STAGE_SERVER_AIC 2
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#define CHAP_STAGE_CLIENT_NR 3
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#define CHAP_STAGE_CLIENT_NRIC 4
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#define CHAP_STAGE_SERVER_NR 5
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struct iscsi_node_auth;
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struct iscsi_conn;
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extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
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int *, int *);
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struct iscsi_chap {
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unsigned char id;
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unsigned char challenge[MAX_CHAP_CHALLENGE_LEN];
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unsigned int challenge_len;
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unsigned char *digest_name;
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unsigned int digest_size;
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unsigned int authenticate_target;
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unsigned int chap_state;
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} ____cacheline_aligned;
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#endif /*** _ISCSI_CHAP_H_ ***/
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