Find all needed information about Nonce Extension Support. Below you can see links where you can find everything you want to know about Nonce Extension Support.
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_71/rzain/rzainocspconfig.htm
The nonce value, which is a random generated bit string, is computed and included as part of both the request and response. If nonce checking is enabled, the nonce value included on the response is verified with the value that is sent in the request. If the nonce values do not match, the response is ignored. Nonce checking is disabled by default.
https://www.sysadmins.lv/blog-en/ocsp-client-tool-advanced-stuff.aspx
Nonce extension is a sequence of arbitrary data (whatever you want) and responder SHOULD return the same extension value as specified in the request. RFC5019 allows responders to not include Nonce extension in the response if it is not coinfigured to support this extension:
https://www.feistyduck.com/bulletproof-tls-newsletter/issue16_nonce_reuse_in_GCM_another_Padding_Oracle_and_more.html
Nonce reuse in GCM, another Padding Oracle, HTTPS by default and Post-Quantum Cryptography news. 26 May 2016. ... It is widely supported in modern browsers, but Windows XP and some old Android versions don’t support this extension. Switching to HTTPS has been notoriously difficult for news web sites. The main culprits are third party content ...
http://javadoc.iaik.tugraz.at/iaik_jce/current/iaik/x509/ocsp/extensions/Nonce.html
This class implements the OCSP Nonce extension. As with all OCSP extensions, support of the Nonce extension is optional for client and servers. The critical flag should not be set. Each OCSP extension is associated with a specific ocsp extension object …
https://github.com/MatthewPierson/checkm8-nonce-setter
Oct 31, 2019 · A nonce setter for devices compatible with checkm8 iOS version doesn't matter. If your device is compatible with checkm8 + Linus Henze's Signature Check Remover then you can set your nonce and downgrade.
https://security.stackexchange.com/questions/176236/whats-the-purpose-of-the-client-nonce-in-ssl
I understand that the server nonce can prevent the replay attack. Isn't the client nonce an unnecessary part of the replay attack prevention? For example, a client that has the intention of initiating a replay attack can just use the same nonce that they were replaying. In what scenario does the client nonce in SSL prevent a certain type of attack?
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_72/apis/gsk_attribute_set_enum.htm
The gsk_attribute_set_enum() ... The nonce extension improves security to prevent replay attacks by validating that the request matches the response. ... Warning - The client will no longer be able to handshake with servers that have not or can not be updated to support RFC 5746.
https://community.arubanetworks.com/t5/Security/OCSP-response-verification-failed/td-p/238478
It seems that this was an issue with the OCSP responder. I enabled NONCE extension. This did the trick. OCSP is now working. I think NONCE requirement should be mentioned in the documentation.
https://extensionsupport.com/
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