Documentation : Using pre-shared keys is limited to 512 bits since OpenSSL 1.1.1

flamme_2

Junior Member

Joined: Aug 2018

Posts: 7
#1

Documentation : Using pre-shared keys is limited to 512 bits since OpenSSL 1.1.1

30-07-2020, 11:38

Hi everybody,

Zabbix documentation indicated since OpenSSL 1.1.1, the maximum key size is 512-bits instead 2048-bits with OpenSSL 1.1.0.

2 Using pre-shared keys

https://www.zabbix.com/documentation/current/manual/encryption/using_pre_shared_keys

I have not found information about that in OpenSSL :

https://www.openssl.org/docs/man1.1.1/man3/SSL_get_security_callback.html

I have configure a 2048-bits PSK in OpenSSL 1.1.1 with success.

Can you explain me why maximum PSK is 512-bit with OpenSSL 1.1.1 ?

Best regards,
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flamme_2

Junior Member

Joined: Aug 2018

Posts: 7
#2

31-08-2020, 18:03

Documentation updated :

Log into Atlassian - ZABBIX SUPPORT

https://support.zabbix.com/browse/ZBX-18173?filter=-2
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