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Cryptography

Questions tagged [pkcs8]

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Public-Key Cryptography Standard, number 8, describes the Private-Key Information Syntax Standard which is used to carry (encrypted or unencrypted) private certificate keypairs.

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I am trying to learn more about Crystals Kyber. I am playing around with a Java implementation. I am only focussing on Kyber-512 for now, I have locally changed the source code in order to remove the ...
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TLDR I want to generate an X25519 keypair and then store it in a single file for easier handling, but I cannot use a keystore like PKCS#12. Why OpenSSL makes it quite easy to generate a private key in ...
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I'm trying to extract a private key from a .PFX file to a .PEM file format. I was able to do it using Aes128Cbc in either .NET or OpenSSL: .NET: ...
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What PKCS standard is the public key in the image below? It seems to me that it is PKCS#8, but what I've read makes me think that PKCS#8 only applies to private keys. Here is the corresponding ...
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I have a DER-serialized private key. The tool I have to provide the key to gives me algid parse error, not a sequence, and it looks like the problem is that the key ...
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When exporting a private key with PyCryptodome, DER format, PKCS#8 and a suitably strong passphrase, is the resulting exported key secure enough to place somewhere that you would not normally want ...
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Being newbie to crypto, I understood that RSA keys are shared are pairs $(e,n)$ or $(d,n)$. But when I was given a doc with keys, they were in PKCS#8 format. How to get the keys out of this format?
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Malformed PKCS8 Key Algorithm Identifiers for Ed25519, Ed448, X25519 and X448 for use in the Internet X.509 Public Key Infrastructure § 10.3. Examples of Ed25519 Private Key states the following: <...
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It seems like there are different kind of private key formats, namely: PKCS#5 plain private key PKCS#8 plain private key PKCS#5 encrypted private key PKCS#8 encrypted private key I have seen these ...
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PKCS#8 provides two encryption schemes (PBES1 and PBES2) and one message authentication scheme (PBMAC1). It seems like a combined method (eg. authenticated encryption) would be ideal but whatever. ...
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Correct me if I am wrong, but PKCS8 is format to store private key info. It could be binary-enoded (DER) or Base64 encoded (<...
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I am trying to decrypt PKCS8-Shrouded Key Bag inside a PKCS#12 pfx file. The oid for the encrypted data is PbeWithSHAAnd3-KeyTripleDES CBC. Iteration count and salt has been provided within the pfx ...
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In the documentation of ssh-keygen (man ssh-keygen) it says for the option -m that an export ...
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I apologize profusely for knowing nothing about cryptography, please go easy on me! I'm working on a project where I have a 2048-bit RSA private key and a public certificate generated from the ...
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I have a public key in the following (format-neutral; the type is specified by the DER bytes) format: ...
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