PKCS #11 Functions: C_GetSlotList()

C_GetSlotList() uses a list of availableslots. If no additional cryptographic providers have been installed otherthan pkcs11_softtoken.so, then C_GetSlotList() returnsthe default slot only. C_GetSlotList() uses the followingsyntax:

When set to TRUE, tokenPresent limits the searchto those slots whose tokens are present.

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When pSlotList is set to NULL_PTR, C_GetSlotlist() returns the number of slots only. pulCount isa pointer to the location to receive the slot count.

When pSlotList points to the buffer to receivethe slots, *pulCount is set to the maximum expectednumber of CK_SLOT_ID elements. On return, *pulCount isset to the actual number of CK_SLOT_ID elements.

Typically, PKCS #11 applications call C_GetSlotList() twice.The first time, C_GetSlotList() is called to get the numberof slots for memory allocation. The second time, C_GetSlotList() iscalled to retrieve the slots.

• Slots are the logical partitions in the cryptographic device. In case of HSMs, there could be hundreds or more slots are available while in the case of smart cards, there could be only one slot available. Token is a device where application stores the cryptographic objects and also perform cryptographic operations.
• # pkcs11-tool -test -login No slot with a token was found. If I remove the card and reinsert in the reader I get the same result. I need to disconnect the reader from the USB (power cycle) to have it again working. Finally some investigations about the specifications of the CNS cards.

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No slot with token was found when using pkcs11-tool #13. (No such file or directory) close(3) = 0 write(2, 'No slot with a token was found.

The orderof the slots is not guaranteed. The order of the slots can vary with eachload of the PKCS #11 library.

Pkcs11-tool No Slot With A Token Was Found Within

In addition to CKR_FUNCTION_FAILED, CKR_GENERAL_ERROR, CKR_HOST_MEMORY,and CKR_OK, C_GetSlotlist() gets the following return values:

Pkcs11-tool No Slot With A Token Was Found Near

• CKR_ARGUMENTS_BAD

• CKR_BUFFER_TOO_SMALL

• CKR_CRYPTOKI_NOT_INITIALIZED