fix(ecdsa): narrow hex char validation in Signature::from_str#1253

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PrarthanaPurohit wants to merge 3 commits intoRustCrypto:masterfrom

PrarthanaPurohit:fix/ecdsa-fromstr-hex-validation

Commits on Mar 15, 2026

fix(ecdsa): narrow hex char validation in Signature::from_str
PrarthanaPurohit
committed
ecdsa: fix hex validation in Signature::from_str to use is_ascii_hexdigit()
PrarthanaPurohit
committed
fix(ecdsa): apply cargo fmt to hex validation code
PrarthanaPurohit
committed