Используйте приложение APKPure
Историческую версию Signature Verifier можно получить на Android
Это приложение может быть использовано для проверки цифровых подписанных файлов (P7M, P7S, CMS или PDF).
The digitally signed files using P7S or P7M format has the mime-type application/pkcs7-signed-data type. Details about the standard regarding the creation of such structures are published on RFC 3369, standard initiated by RSA Security Data Inc.
This app lets you view files signed by P7S Signer or other digital signature software.
Features:
- certificate checking
- date/time checking
- timestamping verification