Infineon Technologies Updated 2025-07-16
Innovative high school Updated 2025-07-16
LINPACK benchmarks Updated 2025-07-16
Matrix similarity Updated 2025-07-16
One-time pad Updated 2025-07-16
The only perfect cryptosystem!
Systems like advanced Encryption Standard allow us to encrypt things larger than the key, but the tradeoff is that they could be possibly broken, as don't have any provably secure symmetric-key algorithms as of 2020.
Provably secure symmetric-key algorithm Updated 2025-07-16
There aren't any 2020, except in the trivial one-time pad case where the key is as large as the message: crypto.stackexchange.com/questions/10815/how-do-we-prove-that-aes-des-etc-are-secure
Unitary symplectic group Updated 2025-07-16
Dot-com bubble Updated 2025-07-16
Elis Regina Updated 2025-07-16
Mostly interpreter of songs written by others. But she's just too amazing, many of her interpretations are better than the original.
God, even Ciro Santilli is slightly shocked by her death, which happened before he was born, can you imagine it at the time? She was MPB's golden girl...
Atrás da Porta performed by Elis Regina
. Source. Composed by Francis Hime and Chico Buarque.Águas de março performed by Elis Regina
. Source. From the 1972 eponymous album. Composed by Antônio Carlos Jobim. Integer factorization algorithm Updated 2025-07-16
Jobs and Wozniak's blue box Updated 2025-07-16
Some have actually been preserved: en.wikipedia.org/wiki/File:Blue_Box_in_museum.jpg
Superconducting magnet vendor Updated 2025-07-16
Elliptic-curve Diffie-Hellman Updated 2025-07-16
The algorithm is completely analogous to Diffie-Hellman key exchange in that you efficiently raise a number to a power times and send the result over while keeping as private key.
The only difference is that a different group is used: instead of using the cyclic group, we use the elliptic curve group of an elliptic curve over a finite field.
Elliptic curves by Computerphile (2018)
Source. youtu.be/NF1pwjL9-DE?t=143 shows the continuous group well, but then fails to explain the discrete part.Variant of Diffie-Hellman key exchange based on elliptic curve cryptography.
Intel Research Updated 2025-07-16
Symplectic matrix Updated 2025-07-16
Heroku Updated 2025-07-16
This feels good.
One problem though is that Heroku is very opinionated, a likely like other PaaSes. So if you are trying something that is slightly off the mos common use case, you might be fucked.
Another problem with Heroku is that it is extremely difficult to debug a build that is broken on Heroku but not locally. We needed a way to be able to drop into a shell in the middle of build in case of failure. Otherwise it is impossible.
Deployment:
git push heroku HEAD:masterView stdout logs:
heroku logs --tailPostgreSQL database, it seems to be delegated to AWS. How to browse database: stackoverflow.com/questions/20410873/how-can-i-browse-my-heroku-database
heroku pg:psqlDrop and recreate database:All tables are destroyed.
heroku pg:reset --confirm <app-name>Restart app:
heroku restart Higgs mechanism Updated 2025-07-16
Internet Protocol Updated 2025-07-16
Internet Relay Chat Updated 2025-07-16
Interpretations of quantum mechanics Updated 2025-07-16
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