Cryptographic Token Interface Standard

PKCS#11

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SHA-256 key derivation

SHA-256 key derivation, denoted CKM_SHA256_KEY_DERIVATION, is the same as the SHA-1 key derivation mechanism in Section 6.17.5, except that it uses the SHA-256 hash function and the relevant length is 32 bytes.

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RSA Security Inc. Public-Key Cryptography Standards - PKCS#11 - v230