How to check PKCS7 signature in PHP?

Question

PHP

Using the CryproPro Browser Plugin, we sign the data (the data is not included in the signature) and transfer the data and the signature to the server. How to check the signature on the backend using PHP?
Test Example:
signed by the data:
MTIz
Signature:
MIIHrwYJKoZIhvcNAQcCoIIHoDCCB5wCAQExDDAKBgYqhQMCAgkFADALBgkqhkiG9w0BBwGgggWO
MIIFijCCBTmgAwIBAgIKFa5nHQAAAAAAEzAIBgYqhQMCAgMwVzELMAkGA1UEBhMCUlUxSDBGBgNV
BAMTP0NlbnRlci1JbmZvcm0gVGVzdCBHb3N0IENBIGZvciBBdXRvbWF0ZWQgQ2VydGlmaWNhdGlv
biBTZXJ2aWNlczAeFw0xNjA0MjkxMTU2MDBaFw0xNjA1MjkxMjA2MDBaMIICATEYMBYGCCqFAwOB
DQEBEgo3ODI3MDEwMDAwMRYwFAYFKoUDZAMSCzE0MTQ2NTk0NDYwMRgwFgYFKoUDZAESDTEwMzc4
MDAwMDY1MjkxGjAYBggqhQMDgQMBARIMMDAwMDAwMDAwMDAwMSgwJgYJKoZIhvcNAQkBFhlrLnZh
Z25lckBjZW50ZXItaW5mb3JtLnJ1MQswCQYDVQQGEwJSVTEtMCsGA1UECAwkNzgg0LMuINCh0LDQ
vdC60YIt0J / QtdGC0LXRgNCx0YPRgNCzMQowCAYDVQQHDAEwMTMwMQYDVQQKDCrQntCe0J4gIjEy
0KLQtdGB0YLQvtCy0LDRjyDQktCw0LPQvdC10YAxMiIxCjAIBgNVBAsMATAxMzAxBgNVBAMMKtCe
0J7QniAiMTLQotC10YHRgtC + 0LLQsNGPINCS0LDQs9C90LXRgDEyIjEKMAgGA1UECQwBMDEwMC4G
CSqGSIb3DQEJAgwhMDAwMDAwMDAwMC03ODA0MDEwMTItNzAxNzA4OTAzMzA3MSwwKgYDVQQMDCPQ
ktC10LTRg9GJ0LjQuSDRgdC / 0LXRhtC40LDQu9C40YHRgjEsMCoGA1UEKgwj0JrRgdC10L3QuNGP
INCT0YDQuNCz0L7RgNGM0LXQstC90LAxFTATBgNVBAQMDNCS0LDQs9C90LXRgDBjMBwGBiqFAwIC
EzASBgcqhQMCAiQABgcqhQMCAh4BA0MABEDQ + qVSBmQT0pLQktgaiF4eYRhHCkj4dgysTY6yGwqY
f3YO5ErwQEP551bi2cUWSAD56nUtMCmRSVdm / LTwXNgvo4ICNzCCAjMwDgYDVR0PAQH / BAQDAgTw
MFYGA1UdJQRPME0GCCsGAQUFBwMCBggrBgEFBQcDBAYHKoUDAgIiBgYHKoUDAwcIAQYIKoUDAwcB
AQEGBiqFAwMHAQYKKwYBBAGCNxQCAgYHKoUDAwYAATARBgUqhQNkbwQIDAZmZ2JkZmcwJwYDVR0R
BCAwHqQcMBoxGDAWBggqhQMDgQ0BARMKNzgyNzAxMDAwMDAdBgNVHQ4EFgQUcptDmJmnjCYFiHYT
qUV3uzpe154wHwYDVR0jBBgwFoAUu5WQXMfu / Sh + + KvktbnKGhg
UzbowgYQGA1UdHwR9MHsweaB3
oHWGc2ZpbGU6Ly9XSU4tVkgzMDBRUTFPRTEvY2VydGVucm9sbC9DZW50ZXItSW5mb3JtJTIwVGVz dCUyMEdvc3QlMjBDQSUyMGZvciUyMEF1dG9tYXRlZCUyMENlcnRpZmljYXRpb24lMjBTZXJ2aWNl
cy5jcmwwgaMGCCsGAQUFBwEBBIGWMIGTMIGQBggrBgEFBQcwAoaBg2ZpbGU6Ly9XSU4tVkgzMDBR
UTFPRTEvY2VydGVucm9sbC9XSU4tVkgzMDBRUTFPRTFfQ2VudGVyLUluZm9ybSUyMFRlc3QlMjBH
b3N0JTIwQ0ElMjBmb3IlMjBBdXRvbWF0ZWQlMjBDZXJ0aWZpY2F0aW9uJTIwU2VydmljZXMuY3J0
MCAGBSqFA2RwBBcwFQwEZGZnYgwDZmdiDANmZ2IMA2RmZzAIBgYqhQMCAgMDQQDrI0ZZv4spqkAE
FgMctJ0u / alxpARIoas + + EykdxXHNhsI qo6dNUvlDcU6iumt2vneS1Roae5JpXxONR0xhCAaMYIB
6DCCAeQCAQEwZTBXMQswCQYDVQQGEwJSVTFIMEYGA1UEAxM / Q2VudGVyLUluZm9ybSBUZXN0IEdv
c3QgQ0EgZm9yIEF1dG9tYXRlZCBDZXJ0aWZpY2F0aW9uIFNlcnZpY2VzAgoVrmcdAAAAAAATMAoG
BiqFAwICCQUAoIIBHDAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0x
NjA1MjMxMDU5NTlaMC8GCSqGSIb3DQEJBDEiBCBe8YSJYXui2NLX4No4mqpP8CKtAaOVEqT + oajE
XkORSDCBsAYLKoZIhvcNAQkQAi8xgaAwgZ0wgZowgZcwCAYGKoUDAgIJBCAgZs3V6 / iQi9GkX / 56
BRMSGZJBQzzqS5IumTyjlmWxuTBpMFukWTBXMQswCQYDVQQGEwJSVTFIMEYGA1UEAxM / Q2VudGVy
LUluZm9ybSBUZXN0IEdvc3QgQ0EgZm9yIEF1dG9tYXRlZCBDZXJ0aWZpY2F0aW9uIFNlcnZpY2Vz
AgoVrmcdAAAAAAATMAoGBiqFAwICEwUABED8RT4JumVC2gUtGoMaemycUrRoysXZ7NOw++429MDg
Yj/k8VjwJdqvrNMiWnrEThkiQXLufj5fyADrtv6W5R9p

Answer 1

php.net/manual/en/ref.openssl.php
Then do it yourself.

Answer 2

Can be done with cryptcp

/opt/cprocsp/bin/ia32/cryptcp -verify -verall "message.sign"