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fix(crypto): validate providers for raw key operations - #259

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kruton merged 1 commit into
connectbot:mainfrom
kruton:x25519-factory
Aug 6, 2026
Merged

fix(crypto): validate providers for raw key operations#259
kruton merged 1 commit into
connectbot:mainfrom
kruton:x25519-factory

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@kruton

@kruton kruton commented Aug 6, 2026

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Select JCE provider for X25519 by trying actual key conversions. This avoids AndroidKeyStore failures that don't support operations with non-AndroidKeyStore keys. Stop changing global provider order. Instead use providers internally by probing X25519 providers with RFC 7748 vectors, falling back to Tink when necessary.

Fixes #246

Select JCE provider for X25519 by trying actual key conversions. This
avoids AndroidKeyStore failures that don't support operations with
non-AndroidKeyStore keys. Stop changing global provider order. Instead
use providers internally by probing X25519 providers with RFC 7748
vectors, falling back to Tink when necessary.
@kruton
kruton merged commit c76c04c into connectbot:main Aug 6, 2026
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@kruton
kruton deleted the x25519-factory branch August 6, 2026 05:06
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X25519 KeyFactory can resolve to AndroidKeyStore, breaking curve25519 KEX on some Android devices

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