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[WIP] elliptic-curve: transition from subtle to ctutils#2351

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[WIP] elliptic-curve: transition from subtle to ctutils#2351
tarcieri wants to merge 1 commit into
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elliptic-curve/transition-from-subtle-to-ctutils

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We can't completely remove subtle because it's used by the ff/group traits, however as much s possible this migrates from subtle to ctutils.

It's a bit annoying because we end up with a mixed API of ctutils and subtle, but perhaps we can get ff/group to migrate upstream as well: RustCrypto/ff#148.

See also: #2275

We can't completely remove `subtle` because it's used by the
`ff`/`group` traits, however as much s possible this migrates from
`subtle` to `ctutils`.

It's a bit annoying because we end up with a mixed API of `ctutils` and
`subtle`, but perhaps we can get `ff`/`group` to migrate upstream as
well: RustCrypto/ff#148.

See also: #2275
@tarcieri tarcieri force-pushed the elliptic-curve/transition-from-subtle-to-ctutils branch from 523740b to 3871ec4 Compare March 31, 2026 22:31
tarcieri added a commit to RustCrypto/elliptic-curves that referenced this pull request Apr 1, 2026
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After discussing this with the upstream devs, they've effectively accepted the RFC but deferred the change until ff/group v0.15.

So we'll get to this in elliptic-curve v0.15. I definitely plan on making sure it happens in that release.

@tarcieri tarcieri closed this Jun 23, 2026
@tarcieri tarcieri deleted the elliptic-curve/transition-from-subtle-to-ctutils branch June 23, 2026 18:02
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