diff options
Diffstat (limited to 'NetworkPkg/IScsiDxe/IScsiCHAP.h')
| -rw-r--r-- | NetworkPkg/IScsiDxe/IScsiCHAP.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/NetworkPkg/IScsiDxe/IScsiCHAP.h b/NetworkPkg/IScsiDxe/IScsiCHAP.h index d6a90fc27f..b8811b7580 100644 --- a/NetworkPkg/IScsiDxe/IScsiCHAP.h +++ b/NetworkPkg/IScsiDxe/IScsiCHAP.h @@ -17,12 +17,17 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #define ISCSI_KEY_CHAP_NAME "CHAP_N"
#define ISCSI_KEY_CHAP_RESPONSE "CHAP_R"
+//
+// Identifiers of supported CHAP hash algorithms:
+// https://www.iana.org/assignments/ppp-numbers/ppp-numbers.xhtml#ppp-numbers-9
+//
#define ISCSI_CHAP_ALGORITHM_MD5 5
-///
-/// MD5_HASHSIZE
-///
-#define ISCSI_CHAP_RSP_LEN 16
+//
+// Byte count of the largest digest over the above-listed
+// ISCSI_CHAP_ALGORITHM_* hash algorithms.
+//
+#define ISCSI_CHAP_MAX_DIGEST_SIZE MD5_DIGEST_SIZE
#define ISCSI_CHAP_STEP_ONE 1
#define ISCSI_CHAP_STEP_TWO 2
@@ -53,7 +58,7 @@ typedef struct _ISCSI_CHAP_AUTH_DATA { //
// Calculated CHAP Response (CHAP_R) value.
//
- UINT8 CHAPResponse[ISCSI_CHAP_RSP_LEN];
+ UINT8 CHAPResponse[ISCSI_CHAP_MAX_DIGEST_SIZE];
//
// Auth-data to be sent out for mutual authentication.
@@ -64,7 +69,7 @@ typedef struct _ISCSI_CHAP_AUTH_DATA { // bytes* to the hashing algorithm as the hashing algorithm will output.
//
UINT32 OutIdentifier;
- UINT8 OutChallenge[ISCSI_CHAP_RSP_LEN];
+ UINT8 OutChallenge[ISCSI_CHAP_MAX_DIGEST_SIZE];
} ISCSI_CHAP_AUTH_DATA;
/**
|