Cryptography How to break PDF Signatures |
- How to break PDF Signatures
- CTO of Qwyit is full of... misinformation about one-time pads and crypto in general
- New to Crypto
- Length of random secret / ULID (80 bits of randomness) as secret?
| Posted: 25 Feb 2019 01:06 AM PST |
| CTO of Qwyit is full of... misinformation about one-time pads and crypto in general Posted: 24 Feb 2019 12:23 PM PST |
| Posted: 24 Feb 2019 08:32 PM PST Hello, I am a high school-aged student that wants to learn all the basics to this art. I became interested after seeing a couple lectures from some German professor on Youtube. I just need someone more advanced to point me in a direction that isn't a completely cold start but is still basics [link] [comments]  |
| Length of random secret / ULID (80 bits of randomness) as secret? Posted: 24 Feb 2019 01:03 PM PST The "Cryptographic Right Answers" article recommends 256 bits of randomness for a random secret. The ULID format contains 80 bits of randomness. For secrets such as API keys, it's definitely possible to use a ULID as a (non-secret) "API key ID" and 256 bits of randomness as an "API key secret". How about using a single ULID as the entire API key? Will the 80 bits be sufficient randomness, or will there be issues? [link] [comments]  |
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