# CryptoCertificateValidity

`import { CryptoCertificateValidity } from "destack:crypto/binding";`

Certificate validity window.

```ds title="CryptoCertificateValidity"
export struct CryptoCertificateValidity {
    notBeforeUnixSeconds: uint64;
    notAfterUnixSeconds: uint64;
}
```

[language/library/src/crypto/binding/certificate.ds:125:130](https://github.com/destack-sh/destack/blob/main/language/library/src/crypto/binding/certificate.ds#L125-L130)

## Members

### `notBeforeUnixSeconds: uint64`

Not-before timestamp in Unix seconds.

### `notAfterUnixSeconds: uint64`

Not-after timestamp in Unix seconds.