# CI APIs

These historical availability notes are unverified. The analyzed ci.dll
10.0.26100.8328 x64 still exports the digest-based APIs listed below. Exact
first-available builds and ABI changes need matching old binaries. See
[the current contracts and remaining work](docs/mincrypt-contracts.md).

## Available starting with 1511

- CiCheckSignedFile
- CiFindPageHashesInCatalog
- CiFindPageHashesInSignedFile
- CiFreePolicyInfo
- CiGetPEInformation
- CiInitialize
- CiValidateFileObject
- CiVerifyHashInCatalog

## Added in 1709

- CiSetTrustedOriginClaimId