Note intention of timing sidechannel freeness. #630

1. 
   gmaxwell commented at 12:24 pm on May 29, 2019: contributor

   Resolves #238
2. Note intention of timing sidechannel freeness.

   Resolves #238

   8d1563b0ff
3. in README.md:48 in 27ee2cabb3 outdated

   44@@ -45,8 +45,10 @@ Implementation details
   45   * Optionally (off by default) use secp256k1's efficiently-computable endomorphism to split the P multiplicand into 2 half-sized ones.
   46 * Point multiplication for signing
   47   * Use a precomputed table of multiples of powers of 16 multiplied with the generator, so general multiplication becomes a series of additions.
   48-  * Access the table with branch-free conditional moves so memory access is uniform.
   49-  * No data-dependent branches
   50+  * Intended to be completely free of timing sidechannels for secret-key operations (on reasonable hardware/toolchains
   

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   apoelstra commented at 2:41 pm on May 29, 2019:

   missing close-paren (or github’s view is just funny)
4. gmaxwell merged this on May 29, 2019
5. gmaxwell closed this on May 29, 2019

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6. gmaxwell referenced this in commit f34b0c3f35 on May 29, 2019
7. sipa cross-referenced this on Jun 9, 2020 from issue Update libsecp256k1 subtree by sipa
8. fanquake referenced this in commit 8c97780db8 on Jun 13, 2020
9. sidhujag referenced this in commit 8a3a072968 on Jun 13, 2020
10. ComputerCraftr referenced this in commit b98f1c6e6c on Jun 16, 2020
11. UdjinM6 referenced this in commit 9d36ba6570 on Aug 10, 2021
12. 5tefan referenced this in commit 8ded2caa74 on Aug 12, 2021
13. gades referenced this in commit d855cc511d on May 8, 2022

Contributors
gmaxwell apoelstra