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author | Rob Austein <sra@hactrn.net> | 2020-09-13 23:10:21 +0000 |
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committer | Rob Austein <sra@hactrn.net> | 2020-09-13 23:10:21 +0000 |
commit | 3aa8b1dd6e0f504ef83da99f8c9cdb2532f948f5 (patch) | |
tree | ca300cbdbc9b1ca3224441e50375d94c092223e8 /raw-wiki-dump/GitRepositories%2Fuser%2Fsra%2Faes-keywrap.md | |
parent | 4ba5e00d5cdd42087a76e379cc39604b2da89ea4 (diff) |
Initial conversion pass
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diff --git a/raw-wiki-dump/GitRepositories%2Fuser%2Fsra%2Faes-keywrap.md b/raw-wiki-dump/GitRepositories%2Fuser%2Fsra%2Faes-keywrap.md new file mode 100644 index 0000000..32485ba --- /dev/null +++ b/raw-wiki-dump/GitRepositories%2Fuser%2Fsra%2Faes-keywrap.md @@ -0,0 +1,44 @@ +``` +#!htmlcomment + +This page is maintained automatically by a script. Don't modify this page by hand, +your changes will just be overwritten the next time the script runs. Talk to your +Friendly Neighborhood Repository Maintainer if you need to change something here. + +``` + +``` +#!html +<h1>AES key wrap</h1> + +<p>A preliminary implementation of AES Key Wrap, RFC 5649 flavor, using +Cryptlib to supply the AES ECB transformations.</p> + +<p>aes_keywrap.py contains two different Python implementations:</p> + +<ol> +<li><p>An implementation using Python longs as 64-bit integers; and</p></li> +<li><p>An implementation using Python arrays.</p></li> +</ol> + +<p>The first of these is the easiest to understand, as it can just do +(long) integer arithmetic and follow the specification very closely. +The second is closer to what one would do to implement this in an +assembly language like C.</p> + +<p>aes_keywrap.[ch] is a C implementation. The API for this is not yet +set in stone.</p> + +<p>All three implementations include test vectors.</p> + +<p>The two implementations based on byte arrays use shift and mask +operations to handle the two numerical values ("m" and "t") which +require byte swapping on little endian hardware; this is not the most +efficient implementation possible, but it's portable, and will almost +certainly be lost in the noise under the AES operations.</p> +``` + +[[RepositoryIndex(format=table,glob=user/sra/aes-keywrap)]] + +| Clone `https://git.cryptech.is/user/sra/aes-keywrap.git` | +|---| |