PKCS #11 (Public-Key Cryptography Standard 11) defines a platform-independent API to cryptographic tokens, such as hardware security modules (HSM) and smart cards called *Cryptoki*.

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What are options to compute DES retail MAC (aka ISO 9797-1 mode 3) under PKCS#11?

The DES retail MAC, also known as ISO 9797-1 mode 3 with DES, computes the MAC of a block of data using a 16-byte (112 bit) key. It can be seen as CBC-MAC using simple DES with the first half of the ...
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CKM_RSA_PKCS vs CKM_RSA_X_509 mechanisms in PKCS#11

What is the exact difference between the CKM_RSA_PKCS and CKM_RSA_X_509 mechanisms in the PKCS#11 v2.20 specification (Please ...
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PKCS#11: Can C_GetMechanismInfo() return CKR_OK on a disabled mechanism?

According to PKCS#11 v2.20, "C_GetMechanismInfo obtains information about a particular mechanism possibly supported by a token." Does that mean ...
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Does OpenTSA support PKCS11 to talk to HSMs?

We are planning to implement the time-stamping service (RFC 3161) using OpenTSA wanted to know: Does OpenTSA support PKCS-11 (Cryptoki) to talk to HSMs? BTW: I did not find documentation or much ...
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PKCS#11: Which CKK_types are supported by CKM_PKCS5_PBKD2?

On Solaris there's a function pkcs11_PasswdToKey() which is a wrapper of C_GenerateKey(). I made a simple test and it turned out ...
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Is the random data at the end of my decrypted message supposed to be there?

This is my PKCS#5 & AES/ECB Python 3.3 code: ...