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31 lines
1.4 KiB
Markdown
31 lines
1.4 KiB
Markdown
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# Argon2
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This is a fork of [the reference C implementation of Argon2](https://github.com/P-H-C/phc-winner-argon2), the password-hashing function that won the [Password Hashing Competition (PHC)](https://password-hashing.net).
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## About Argon2u
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In addition to the official three variants (Argon2i, Argon2d, and Argon2id), this fork also implements a fourth variant, Argon2u. It operates similarly to Argon2id, in that it is a hybrid of Argon2i and Argon2d. Where Argon2id uses Argon2i's algorithm for the first two processed segments, Argon2u does this for the first three.
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## More about Argon2
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Please see the [original repository](https://github.com/P-H-C/phc-winner-argon2) for information about Argon2.
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## Intellectual property
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Except for the components listed below, the Argon2 code in this
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repository is copyright (c) 2015 Daniel Dinu, Dmitry Khovratovich (main
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authors), Jean-Philippe Aumasson and Samuel Neves, and dual licensed under the
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[CC0 License](https://creativecommons.org/about/cc0) and the
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[Apache 2.0 License](http://www.apache.org/licenses/LICENSE-2.0). For more info
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see the LICENSE file.
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The string encoding routines in [`src/encoding.c`](src/encoding.c) are
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copyright (c) 2015 Thomas Pornin, and under
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[CC0 License](https://creativecommons.org/about/cc0).
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The BLAKE2 code in [`src/blake2/`](src/blake2) is copyright (c) Samuel
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Neves, 2013-2015, and under
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[CC0 License](https://creativecommons.org/about/cc0).
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All licenses are therefore GPL-compatible.
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