[openssl-users] CMS_verify provides empty output

RudyAC rpo at compumatica.com
Wed Oct 10 11:55:05 UTC 2018


when verifying  a signed email with CMS_verify() the verification failed.
That is not the main problem.
My problem is that the out data is empty. Using the library I got following

OpenSSL Error code all:    <772382878d>
OpenSSL Error code lib:    <46d>
OpenSSL Error code func:   <154d>
OpenSSL Error code reason: <158d>
OpenSSL Error: error:2E09A09E:CMS
routines:CMS_SignerInfo_verify_content:verification failure

The mail body is base64 encoded. 

When verifying the email on console with "openssl cms -verify" there is no
message output, only the error 
message :

Verification failure
47883249174256:error:04091068:rsa routines:INT_RSA_VERIFY:bad
routines:CMS_SignerInfo_verify:verification failure:cms_sd.c:775:

Any hints are welcome

Best regards

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