Fails on verifying signature - RSA_padding_check_PKCS1_type_1:invalid padding

Pedro Lopes pedroterrosolopes at gmail.com
Thu Feb 13 17:40:08 UTC 2020


Hello,

I'm generating a key pair in a smartcard (as a session object), then I
convert both keys to RSA openssl objects.

Then I save both into different files.
I tried use these keys to sign and verify (private encrypts and public
decrypts).
When I try to verify the signature, fails
with RSA_padding_check_PKCS1_type_1:invalid padding.

I run following commands:


*echo "test" > "test.txt"openssl rsautl -sign -in test.txt -inkey
privKey.pem -out sigopenssl rsautl -verify -in sig -inkey pubKeyp8.pem
-pubin*

Below pub and priv key:

-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

-----BEGIN RSA PUBLIC KEY-----
MIGHAoGBAOwJe+zyuYQM/424HiYK/O2id0L7J/PLoNizATqO9Il2Bl7w8CGQ1qDK
hawI0ao0SqlCZdjVR+bGHi10ieh38rJPi5ny+m77KGq6NGXCKWX5P0kK0D4OdRKf
RCI5Xs5UVEySV4ZbQAOvUtSn7BF7hpL/HGhzkYBztSEDLtVnKPqNAgEB
-----END RSA PUBLIC KEY-----

-----BEGIN PUBLIC KEY-----
MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQDsCXvs8rmEDP+NuB4mCvztondC
+yfzy6DYswE6jvSJdgZe8PAhkNagyoWsCNGqNEqpQmXY1Ufmxh4tdInod/KyT4uZ
8vpu+yhqujRlwill+T9JCtA+DnUSn0QiOV7OVFRMkleGW0ADr1LUp+wRe4aS/xxo
c5GAc7UhAy7VZyj6jQIBAQ==
-----END PUBLIC KEY-----

Could you please help me with this?
Thanks in advance.
-- 
Regards,
Pedro Lopes
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