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How to verify a detached pkcs7 signature
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| # how to verify the signature if you have the CAs certificate. This doesn't seem to work if you specify | |
| # a subordinate CA, even if that CA is the one that issued the cert that created the signature. | |
| openssl smime -verify -inform der -in signature-file -content signed-file -CAfile ca-certificate-in-pem-format | |
| # how to verify everything except the certificate - so the signatures are checked, but no attempt is made | |
| # to verify that the CAs certificate is trusted | |
| openssl smime -verify -noverify -inform der -in signature-file -content signed-file |
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