IPWorks Encrypt 2020 C++ Edition

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ComputeSecretKDF Property

The key derivation function.

Syntax

ANSI (Cross Platform)
int GetComputeSecretKDF();
int SetComputeSecretKDF(int iComputeSecretKDF); Unicode (Windows) 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)
@property (nonatomic,readwrite,assign,getter=computeSecretKDF,setter=setComputeSecretKDF:) int computeSecretKDF;
- (int)computeSecretKDF;
- (void)setComputeSecretKDF:(int)newComputeSecretKDF;

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)
#define PID_ECC_COMPUTESECRETKDF 1

IPWORKSENCRYPT_EXTERNAL void* IPWORKSENCRYPT_CALL IPWorksEncrypt_ECC_Get(void *lpObj, int propid, int arridx, int *lpcbVal, int64 *lpllVal);
IPWORKSENCRYPT_EXTERNAL int IPWORKSENCRYPT_CALL IPWorksEncrypt_ECC_Set(void *lpObj, int propid, int arridx, const void *val, int cbVal);

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 C++ Edition - Version 20.0 [Build 8155]