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This structure specifies the hash algorithm and the inner and outer strings that are to be used to calculate the HMAC hash.
typedef struct _HMAC_Info {ALG_IDHashAlgid;BYTE* pbInnerString;DWORDcbInnerString;BYTE* pbOuterString;DWORDcbOuterString;} HMAC_INFO, *PHMAC_INFO;
Members
- HashAlgid
Hash algorithm to be used. - pbInnerString
Must be NULL. The default inner string is defined as the byte 0x36 repeated 64 times. - cbInnerString
Must be zero. The CSP uses the default inner string. - pbOuterString
Must be NULL. The default outer string is defined as the byte 0x5C repeated 64 times. - cbOuterString
Must be zero. The CSP uses the default outer string.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Wincrypt.h.
See Also
CryptCreateHash | CryptSetHashParam | ALG_ID
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