Qc3EncryptData – encrypting data using system API
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H BNDDIR(‘QC2LE’)
H DFTACTGRP(*NO)
H OPTION(*NODEBUGIO:*SRCSTMT)
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** E N T R Y P A R M S **
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d encrypt pr
d inmode 1a
d invalue 30a
d inkey 30a
d outvalue 30a
d encrypt pi
d inmode 1a
d invalue 30a
d inkey 30a
d outvalue 30a
d workmode s 1a
d workinvalue s 30a
d workinkey s 30a
d workoutvalue s 30a
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** E N C R Y P T D A T A **
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D Qc3EncryptData PR ExtProc(‘Qc3EncryptData’)
D szClearData 65535A OPTIONS(*VARSIZE)
D nLenClearData 10I 0 Const
D clearDataFmt 8A Const
D AlgoDescript 64A Const OPTIONS(*VARSIZE)
D szAlgoFormat 8A Const
D KeyDescriptor 512A Const OPTIONS(*VARSIZE)
D szKeyFormat 8A Const
** 0=Best choice, 1=Software, 2=Hardware
D CryptoService 1A Const
** Hardware Cryptography device name or *BLANKS
D CryptoDevName 10A Const
D szEncryptedData…
D 65535A OPTIONS(*VARSIZE)
D nEncryptedDataVarLen…
D 10I 0 Const
D nEncryptedDataRtnLen…
D 10I 0
D api_ErrorDS LikeDS(API_ErrorDS_T)
D OPTIONS(*VARSIZE)
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** D E C R Y P T D A T A **
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D Qc3DecryptData PR ExtProc(‘Qc3DecryptData’)
D szEncData 65535A OPTIONS(*VARSIZE)
D nLenEncData 10I 0 Const
D AlgoDescript 64A Const OPTIONS(*VARSIZE)
D szAlgoFormat 8A Const
D KeyDescriptor 512A Const OPTIONS(*VARSIZE)
D szKeyFormat 8A Const
** 0=Best choice, 1=Software, 2=Hardware
D CryptoService 1A Const
** Hardware Cryptography device name or *BLANKS
D CryptoDevName 10A Const
D szClearData 65535A OPTIONS(*VARSIZE)
D nClearVarLen 10I 0 Const
D nRtnClearLen 10I 0
D api_ErrorDS LikeDS(API_ErrorDS_T)
D OPTIONS(*VARSIZE)
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** Message Digest/Hash
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D Qc3CalcHash PR ExtProc(‘Qc3CalculateHash’)
D szClearData 65535A OPTIONS(*VARSIZE)
D nLenClearData 10I 0 Const
D clearDataFmt 8A Const
D AlgoDescr 64A Const OPTIONS(*VARSIZE)
D szAlgoFormat 8A Const
** 0=Best choice, 1=Software, 2=Hardware
D CryptoService 1A Const
** Hardware Cryptography device name or *BLANKS
D CryptoDevName 10A Const
D rtnHash 64A OPTIONS(*VARSIZE)
D api_ErrorDS LikeDS(API_ErrorDS_T)
D OPTIONS(*VARSIZE)
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** Cryptography API Algorithm ALGD0300 Structure
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D ALGD0300_T DS Qualified
D BASED(DS_TEMPL)
** Stream algorithm: 30 = RC4
D Algorithm 10I 0
D Qc3CreateAlgorithmContext…
D PR ExtProc(‘Qc3CreateAlgorithmContext’)
D AlgoDescription…
D 64A Const OPTIONS(*VARSIZE)
D szAlgoFormat 8A Const
D contextToken 8A
D api_ErrorDS LikeDS(API_ErrorDS_T)
D OPTIONS(*VARSIZE)
** Encryption Data Structures
D KEYD0100_T DS Qualified
D BASED(DS_TEMPL)
D keyContext 8A
D KEYD0200_T DS Qualified
D BASED(DS_TEMPL)
D type 10I 0
D length 10I 0
D format 1A
D value 256A
/IF DEFINED(*V5R1M0)
D API_ErrorDS_T DS Qualified
D dsLen 10I 0 Inz
D rtnLen 10I 0 Inz
D cpfMsgID 7A
D apiResv1 1A Inz(X’00’)
D apiExcDta1 64A
/ENDIF
** New IBM API Error DS
D XT_api_ErrorEx DS Inz
D XT_apiKey 10I 0
D XT_apiDSLen 10I 0
D XT_apiRtnLenEx…
D 10I 0
D XT_apiMsgIDEx 7A
D XT_apiResvdEx 1A
D XT_apiCCSID 10I 0
D XT_apiOffExc 10I 0
D XT_apiExcLen 10I 0
D XT_apiExcData 64A
D Qc3DestroyAlgorithmContext…
D PR ExtProc(‘Qc3DestroyAlgorithmContext’)
D ContextToken 8A Const
D api_ErrorDS LikeDS(API_ErrorDS_T)
D OPTIONS(*VARSIZE)
** API Error Data structure
D QUSEC_EX DS Qualified
D Based(TEMPLATE_T)
D charKey 10I 0
D nErrorDSLen 10I 0
D nRtnLen 10I 0
D msgid 7A
D Reserved 1A
D CCSID 10I 0
D OffsetExcp 10I 0
D excpLen 10I 0
D excpData 128A
D ALGO_DES C Const(20)
D ALGO_TDES C Const(21)
D ALGO_AES C Const(22)
D ALGO_RC4 C Const(30)
D ALGO_RSA_PUB C Const(50)
D ALGO_RSA_PRIV C Const(51)
D ANY_CRYPTO_SRV C Const(‘0’)
D SWF_CRYPTO_SRV C Const(‘1’)
D HWD_CRYPTO_SRV C Const(‘2’)
D CRYPTO_SRV S 10A Inz(*BLANKS)
** Cipher API data structures.
D myAlgo DS LikeDS(ALGD0300_T)
D myKey DS LikeDS(KEYD0200_T)
D apiError DS LikeDS(qusec_ex)
** The clear text (data to be encrypted)
** The length of the data returned by the APIs
D nRtnLen S 10I 0
** The encrypted data variable
D encData S 500A
/free
workinvalue = invalue;
workinkey = inkey;
workoutvalue = outvalue;
myAlgo.Algorithm = ALGO_RC4;
myKey.type = ALGO_RC4;
myKey.length = %Len(%TrimR(workinkey));
myKey.Format = ‘0’;
myKey.value = %TrimR(workinkey);
apiError = *ALLX’00’;
apiError.nErrorDSLen=%size(apiError);
select;
when inmode = ‘E’;
Qc3EncryptData(workinvalue:%len(%TrimR(workinvalue)):’DATA0100′:
myAlgo : ‘ALGD0300’ :
myKey : ‘KEYD0200′ :
ANY_CRYPTO_SRV : CRYPTO_SRV :
encData : %size(encData) : nRtnLen :
apiError );
outvalue = encData;
apiError = *ALLX’00’;
apiError.nErrorDSLen=%size(apiError);
when inmode = ‘D’;
Qc3DecryptData(workinvalue : %len(%TrimR(workinvalue)) :
myAlgo : ‘ALGD0300’ :
myKey : ‘KEYD0200’ :
ANY_CRYPTO_SRV : CRYPTO_SRV :
outvalue : %size(outvalue) : nRtnLen :
apiError );
endsl;
*inlr = *on;
/end-free
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