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  • What is the purpose of using HKDF? - Stack Overflow
    The HKDF claims the salt is optional although using a random salt does strengthen it I am confused that when is the scenario that an HKDF is required (especially without salt) If we already have a key with enough entropy, why we need it? If we have a weak key without enough entropy, how does HKDF (without salt) help this situation?
  • HKDF or PBKDF2 for generating key for symmetric encryption? (Python . . .
    But I've also read the documentation which states HKDF is not good for password storage So I'm wondering if I should be using a PBKDF2 algorithm in this scenario instead? I'm not storing the plain-text password, or the keys I derive from them though, which is why I thought HKDF would be ok
  • AES Key Generation using HSM and HKDF - Stack Overflow
    Implying that if you were to use the HRNG (Hardware Random Number Generator) of the HSM and then used the HKDF, you would essentially be injecting Pseudo-Randomness into your AES Key, which totally defeats the purpose The option #1 becomes then obviously the right choice, otherwise the whole point of using the RNG of the HSM is defeated
  • How to properly implement HKDF Expand with openssl EVP_KDF
    The length specification (size_t)44 regarding key indicates that you are using the Base64 encoded value of key
  • how to use tls13-hkdf API of openddl3. 0 to derived key?
    How Do I Use the tls13-hkdf API of OpenSSL 3 0? In particular, how does it work with EVP_KDF_fetch? What does it mean to set libctx and properties to NULL when using EVP_KDF_fetch?
  • Crypto-js encryption and Python decryption using HKDF key
    The first print() in the Python code should be removed because the plaintext is not Base64 encoded Apart from that, the second print() provides a correct decryption using my own test key





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