Как проверить всю цепочку сертификатов SSL?

openssl x509 -in 3_user.crt -noout -text | egrep "Subject:|Issuer:"

Получаем вывод

Issuer: C=CN, O=WoSign CA Limited, CN=WoSign CA Free SSL Certificate G2
Subject: OU=Domain Control Validated, OU=PositiveSSL, CN=specialistoff.net

Получаем вывод о промежуточных сертификатах

openssl x509 -in 2_issuer_Intermediate.crt -noout -text | egrep "Subject:|Issuer:"
Issuer: C=CN, O=WoSign CA Limited, CN=Certification Authority of WoSign
Subject: C=CN, O=WoSign CA Limited, CN=WoSign CA Free SSL Certificate G2

openssl x509 -in 1_cross_Intermediate.crt -noout -text | egrep "Subject:|Issuer:"
Issuer: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Certification Authority
Subject: C=CN, O=WoSign CA Limited, CN=Certification Authority of WoSign

openssl x509 -in root.crt -noout -text | egrep "Subject:|Issuer:"
Issuer: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Certification Authority
Subject: C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Certification Authority