AAL2GenSyncTokenAndHostCmdEx
  • 22 Jan 2025
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AAL2GenSyncTokenAndHostCmdEx

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Résumé de l’article

Function prototype

aat_int32 AAL2GenSyncTokenAndHostCmdEx(
                                       aat_byte        *Cmd,
                                       aat_int32       *CmdSize,
                                       TDigipassBlob   *DPData,
                                       TKernelParms    *CallParms,
                                       aat_ascii       *aStorageKeyNameIn,
                                       aat_ascii       *aIVIn,
                                       aat_ascii       *aResponseIn,
                                       aat_ascii       *aChallengeIn,
                                       aat_ascii       *aResponse2In,
                                       aat_ascii       *aChallenge2In);

Description

This function extends AAL2GenSyncTokenAndHostCmd. With this function, you can address the HSM storage key by name and to specify an initial vector. The initial vector is used during the 3DES/AES encryption of the sensitive authenticator application BLOB data.

The Digipass token and host synchronization on the HSM is identical to the functionality available with the Authentication Suite Server SDK Software Digipass Management Service. For information on the associated functions, refer to the Authentication Suite Server SDK C-C++ Programmer's Guide.

This function must be used with the post-HSM API AAL2ProcSyncTokenAndHostRpl.

Parameters

  Table: Parameters (AAL2GenSyncTokenAndHostCmdEx)
TypeNameUseDescription
aat_byte *CmdO

Up to 566 bytes that serialize the SYNC TOKEN AND HOST command type and the input data to the synchronize token and host function on the HSM:

  • Command type - 2 bytes
  • An authenticator applicationBLOB - 192 bytes
  • Runtime parameters - 80 bytes
  • StorageKeyName - up to 128 characters
  • InitialVector - 8 bytes
  • Password 1 - up to 41 characters
  • Challenge 1 - up to 17 characters
  • Password 2- up to 41 characters
  • Challenge 2- up to 17 characters
  • Host time- 4 bytes

Plus 36 bytes for Authentication Suite Server SDK internal use.

aat_int32 *CmdSizeI/O

On entry, this parameter contains the size of the Cmd buffer.On exit, this parameter contains the length of the Cmd message.

TDigipassBlob *DPDataIauthenticator applicationBLOB.
TKernelParms *CallParmsI

Structure of runtime parameters to use during this function call.

aat_ascii *aStorageKeyNameIn IString of up to 128+1 characters, left-justified, null-terminated, or right-padded with spaces. This is the label of the HSM storage key used to encrypt the sensitive Digipass application BLOB data.
aat_ascii *aIVInIString of 16 hexadecimal characters, left-justified, null-terminated, or right-padded with spaces. This is the initial vector used to encrypt the sensitive authenticator application BLOB data.
aat_ascii *aResponse In I

String of up to 17+24 numeric or hexadecimal characters, left-justified, null-terminated or right-padded with spaces. This is the first dynamic password generated by the Digipass authenticator.

aat_ascii *aChallenge In I

String of up to 17 numeric characters, left-justified, null-terminated, or right-padded with spaces. This parameter holds the challenge that was proposed to the user to generate CodeToVerify. If no challenge was generated, this parameter should be NULL.

aat_ascii *aResponse2 In IString of up to 17+24 numeric or hexadecimal characters, left-justified, null-terminated or right-padded with spaces. This is the second dynamic password generated by the Digipass authenticator.
aat_ascii *aChallenge2 In I

String of up to 17 numeric characters, left-justified, null-terminated, or right-padded with spaces. This parameter holds the challenge that was proposed to the user to generate CodeToVerify. If no challenge was generated, this parameter should be NULL.

Return codes

  Table: Return codes (AAL2GenSyncTokenAndHostCmdEx)
CodeMeaningCodeMeaning
0Success590Invalid command pointer
130Invalid response pointer706Invalid data buffer pointer
412Invalid checksum (software)1000Function does not support EMV-CAP
413Invalid Base64 format1018Invalid TLV item pointer
510Invalid Digipass data pointer1025Data buffer too small

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