write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/target/iscsi/iscsi_target_auth.h
..
..
@@ -6,14 +6,19 @@
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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_SHA		6
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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 CHAP_CHALLENGE_LENGTH	16
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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	64	/* sufficient for MD5 */
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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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@@ -28,9 +33,11 @@
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 				int *, int *);
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 struct iscsi_chap {
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-	unsigned char	digest_type;
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 	unsigned char	id;
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-	unsigned char	challenge[CHAP_CHALLENGE_LENGTH];
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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;