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Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3.
Last release 2 months ago
31 Jul 2026
Release timing varies
gaps range from 2 weeks to 2.1 years
Nearly every release is documented
notes for 8 of 8 stable releases
Nothing withdrawn
no release was ever pulled
5 years old
8 releases · first in 2021
One column per quarter.
SECURITY: bitsToInt now truncates using the order's byte length and applies the excess right-shift (previously discarded as a no-op), fixing hash/nonc
bitsToInt now truncates using the order's byte length and
applies the excess right-shift (previously discarded as a no-op), fixing
hash/nonce derivation for curves whose order is not byte-aligned.signature() now produces low-S signatures
(BIP-62) to avoid signature malleability.elliptic 0.4.x, which provides constant-time (Montgomery-ladder)
scalar multiplication.add ecRecover tests inside the ethereum sign tests
fix wrong v value on ethereum signature, thanks @josher8a and @fonstack
- update sdk limit - upgrade dart-elliptic
- add ethereum sign (with v)
- fix Signature.fromCompactHex
Pass tests for deterministicSign
- Initial version. - Pass test for p256
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