Snmpv3ComputeHmacShaDigest Function

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Snmpv3ComputeHmacShaDigest Function
C
UINT8* Snmpv3ComputeHmacShaDigest(
    UINT8 * inData, 
    UINT32 dataLen, 
    UINT8* userExtendedLclzdKeyIpad, 
    UINT8* userExtendedLclzdKeyOpad
);
Description

This routine supports data origin authentication and data integrity SHA authentication . Both iPAD and OPAD is used to calculate the authencate digest string. RFC - 3414 ( section 6)

Preconditions

SNMPv3Init() and ProcessVariabels() are called.

Parameters
Parameters 
Description 
digestptr 
output string 
indata 
input data 
dataLen 
input data length 
userExtendedLclzdKeyIpad 
IPAD 
userExtendedLclzdKeyOpad 
OPAD 
Return Values
Return Values 
Description 
UINT8 * 
HMAC SHA digest string 
Remarks

None

Stack API > SNMP > Functions > Snmpv3ComputeHmacShaDigest Function
Microchip TCP/IP Stack 5.42.08 - June 15, 2013
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