Hi,
This query is not of OCF but of PKCS #11 standards.
I am using Cyberflex Access 00 cards and reflex 72 card reader. I have two
questions, one for digest and other for verification of signature.
1. I want to hash a piece of data with SHA1 algorithm using PKCS #11
cryptoki API. Following is the code I am using for initializing
message-digesting operation.
CK_MECHANISM mechanism;
CK_RV status;
mechanism.mechanism = CKM_SHA_1;
mechanism.pParameter = NULL_PTR;
mechanism.ulParameterLen = 0;
status = (*ckFunc->C_DigestInit)(hSession, &mechanism);
I am getting CKR_MECHANISM_INVALID error in C_DigestInit.
I tried to use other mechanisms as well, but with all others also the error
was same.
Am I doing something wrong here or this card do not support digest
mechanism?
In this case how shall I get the digest of the data?
2. I am using mechanism CKM_RSA_PKCS for initializing signing of data
(C_SignInit) and then signing the data in one step (C_Sign), which works
fine. Now for verifying the signature I am using the same mechanism to
initialize verification (CKM_RSA_PKCS). At this step I am getting error
CKR_MECHANISM_INVALID.
Can anyone suggest me if I am wrong at any place, how can I verify the
signature?
Thank you,
Regards,
Smita
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