IPWorks Encrypt 2020 Qt Edition

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ComputeSecretKDF Property

The key derivation function.

Syntax

int GetComputeSecretKDF();
int SetComputeSecretKDF(int iComputeSecretKDF);

Possible Values

EKD_SHA1(0), 
EKD_SHA256(1),
EKD_SHA384(2),
EKD_SHA512(3),
EKD_MD2(4),
EKD_MD4(5),
EKD_MD5(6),
EKD_HMACSHA1(7),
EKD_HMACSHA256(8),
EKD_HMACSHA384(9),
EKD_HMACSHA512(10),
EKD_HMACMD5(11),
EKD_TLS(12),
EKD_CONCAT(13)

Default Value

1

Remarks

This property specifies the key derivation function (KDF) and algorithm to use when calling ComputeSecret.

Possible values are:

0 (ekdSHA1) SHA-1
1 (ekdSHA256 - default) SHA-256
2 (ekdSHA384) SHA-384
3 (ekdSHA512) SHA-512
4 (ekdMD2) MD2
5 (ekdMD4) MD4
6 (ekdMD5) MD5
7 (ekdHMACSHA1) HMAC-SHA1
8 (ekdHMACSHA256) HMAC-SHA256
9 (ekdHMACSHA384) HMAC-SHA384
10 (ekdHMACSHA512) HMAC-SHA512
11 (ekdHMACMD5) HMAC-MD5
12 (ekdTLS) TLS
13 (ekdConcat) Concat

HMAC Notes

If an HMAC algorithm is selected HMACKey may optionally be set to specify the key.

TLS Notes

When set to TLS, TLSSeed and TLSLabel are required. In addition PrependSecret and AppendSecret are not applicable.

Concat Notes

If Concat is selected the following configuration settings are applicable:

Data Type

Integer

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IPWorks Encrypt 2020 Qt Edition - Version 20.0 [Build 8155]