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r/crypto

307,366 subscribers
Cryptography is the art of creating mathematical assurances for who can do what with data, including but not limited to encryption of messages such that only the key-holder can read it. Cryptography lives at an intersection of math and computer science.

This is a technical subreddit covering the theory and practice of modern and *strong* cryptography.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Removed, off topic pending moderation Removed, cryptocurrency Flagged submission Spam Removed; > /r/codes Removed, cryptocurrency Protocols Video
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to r/crypto by redfiji
4 months ago
Instead of elliptic curve keys, could randomly generated scalars be used for pedersen commitments/encrypting arbitrary values?
to r/crypto by redfiji
4 months ago
Calculating elliptic curve point from arbitrary x value
to r/crypto by redfiji
4 months ago
Cryptanalysis on homomorphic encryption by analyzing application execution?
to r/crypto by Dredd3Dwasprettygood
8 months ago
Are ring signatures complicated to implement? Would adding them later end up in massively rewriting code
Protocols
to r/crypto by Dredd3Dwasprettygood
8 months ago
how can I generate an address from an ECDSA public key
to r/crypto by Dredd3Dwasprettygood
8 months ago
How can I add a prefix to a private key ( *ecdsa.PrivateKey)? How can I add one to a public key ecdsa.PublicKey
to r/crypto by fireice_uk
8 months ago
[CODE] AES encryption primitives
in CODE
to r/crypto by Cynic4l3
1 year ago
Fantastic article describing the gaps in crypto contracts and how this startup is bridging them.
Removed, cryptocurrency
to r/crypto by erh_
8 months ago
ELI5 - How do RSA, DSA, and ECDSA differ?
to r/crypto by SilphThaw
8 months ago
Is verifying a sensitive dataset with a public SHA-256 a bad idea?
to r/crypto by archlich
8 months ago
In cooperation with Bletchley Park, the Heinz Nixdorf Museum DLØHNF in Paderborn, Germany, is sending an enigma signal on 40m on April 7th.
in Paderborn, Germany
to r/crypto by Greg1221
8 months ago
Facebook Messenger deploys Signal Protocol for end to end encryption
to r/crypto by eitauisunity
8 months ago
Which would create a more secure password?
to r/crypto by themusicgod1
8 months ago
Government Argues That Indefinite Solitary Confinement Perfectly Acceptable Punishment For Failing To Decrypt Devices | Techdirt
to r/crypto by themusicgod1
8 months ago
Child Porn Suspect Jailed Indefinitely For Refusing To Decrypt Hard Drives
to r/crypto by themusicgod1
8 months ago
Burr And Feinstein Release Their Anti-Encryption Bill... And It's More Ridiculous Than Expected | Techdirt
to r/crypto by themusicgod1
8 months ago
Senators close to finishing encryption penalties legislation: sources
to r/crypto by themusicgod1
8 months ago
Lipstick Crypto [ /r/writingprompts ]
in r/writingprompts
to r/crypto by themusicgod1
8 months ago
str4d/ed25519-java
to r/crypto by themusicgod1
8 months ago
If you (kind-of) bang two files together, sometimes it will generate a (partial) SHA-1 collision
to r/crypto by Tykerr
1 year ago
Crypto book available in UK from here
in United Kingdom
to r/crypto by Greg1221
8 months ago
Protocol
to r/crypto by macrofinite
1 year ago
Starting hash values used in SHA-2 and similar algorithms
to r/crypto by vbuterin
8 months ago
Standardized symmetric encryption algorithm with mutually compatible Javascript, Python, C++ implementations?
to r/crypto by f4hy
7 months ago
Thinking of reactivating my Facebook account, but use public key encryption to encrypt all my posts as an experiment.