check_password_prefix

shallow

io.github.pipeworx-io/hibp · Verify this server

Direct k-anonymity lookup: pass the first 5 hex chars of a SHA-1 password hash, get back all SHA-1 suffixes with their pwned counts. Use this if you're hashing client-side and only want to send the prefix.

100.0/100

1 trials · measured 8 days ago

check_password_prefix scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.github.pipeworx-io/hibp, measured 25 Aug 2026 under methodology v0.2.0. Every measured component scored 100.

Component breakdown

ComponentWeightValue
Reliability35%not applicable
Schema integrity25%100.0
Failure behaviour15%not applicable
Latency15%not applicable
Concurrency10%not applicable

Tool details

Transport
remote
Credential class
open
Input schema
not declared
Output schema
not declared
Side-effect classification
unclassified

Score history

DayScoreTierMethodology
2026-08-25100.0shallowv0.2.0

Probe evidence

ProbeOutcomes
schema_integritypass: 1

Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.

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Vouch score: check_password_prefix
[![Vouch score](https://vouch.tools/api/tools/2eb745e5-22bd-4010-9ff1-228cf5416355/badge.svg)](https://vouch.tools/tools/2eb745e5-22bd-4010-9ff1-228cf5416355)
check_password_prefix — Vouch