Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1305-06.txt
Alyssa Rowan <akr@akr.io> Wed, 14 January 2015 14:50 UTC
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From: Alyssa Rowan <akr@akr.io>
Date: Wed, 14 Jan 2015 14:50:37 +0000
To: cfrg@irtf.org
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Subject: Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1305-06.txt
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 14 January 2015 14:34:13 GMT+00:00, internet-drafts@ietf.org wrote: > Title : ChaCha20 and Poly1305 for IETF protocols > Authors : Yoav Nir > Adam Langley > Filename : draft-irtf-cfrg-chacha20-poly1305-06.txt > Pages : 43 > Date : 2015-01-14 Quick nit: > The calculated tag is bitwise compared to the received tag. ..."in constant time", perhaps we should add there, in case someone gets some bright ideas with plain vanilla memcmp() from that paragraph? Just a thought. - -- /akr -----BEGIN PGP SIGNATURE----- Version: APG v1.1.1 iQI3BAEBCgAhBQJUtoI9GhxBbHlzc2EgUm93YW4gPGFrckBha3IuaW8+AAoJEOyE jtkWi2t61tkP/0quTyB88CG1IF5l5xDDDTuzKqIIGn9rMgX4glRCj2x38q4cDfUY 1mB7nPjd+c4zFZj2XqeT3ZBVeLmkOAua8MnJhVlfHvmHnyaYWOf5iYBAk1mEXcV5 fMN1dnJdqs3mLFgqSq8SaEHcF6r5GgS6z/gb0Cvu4+iO6JkM1BPabDtBQtu7Zh64 bzlqpMqOqpLkflpBkjBiLNR6jU4WXSmvLYiPqhCL8qdwaioFMV0s3PYRq+9AMbvI /yIhGLGnbH7nYMvE4lu5kIVb6XN4+/wDZ3+3MiwyKzfWhVoBK3v0bOGMSUjoDVNt zuP/BLcU5tvJvKPZl2Ok0XDh5+ZUMZNTNzi1tHfRjnItjtPkRoB6QVyE23if8aBe +59JRUSAnIs4/jdnvig85BLhnnXQ9A8ac/SShfEoVNCfPhxGp5espwS+5Nbsv8VV VCa8CP2zw1mPc3qphoEb8y+loCgq3wAVAZAnBpWs8nIzzPKYr/4DKArQT6BTUqhQ fqx5Rc99HgXB7GMA9HULrAoaDkB9AttCZkbS16FDJ9kbeacHLINfMnJY2vhzS1CM 1T3UJ3bdahnIpH5mAvB2fG7wtK2CISJ7qIMATgsgQFvl4dr+8JRrpecma+PvV/ms yclTFAbnV9Pjk7IALd7aLHjtxW7wxSNVYlx5/fmY9zWFc1HiuIorJS7e =h6PU -----END PGP SIGNATURE-----
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Alyssa Rowan
- [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1… internet-drafts
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Yoav Nir
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Yoav Nir
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Alyssa Rowan
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Yoav Nir