-1
votes
0answers
34 views

SHA-256 RSA signature algorithm has thumbprint algorithm value as SHA-1. Is that valid? [on hold]

The field “Thumbprint algorithm” has an SHA-1 value , is that valid? Or should that be “SHA-256”? Also, there is and Alert symbol for the 3 fields: Basic Constraints Key Usage Enhanced Key Usage ...
-1
votes
0answers
41 views

What should I pay attention to when implementing RSA signature verification? [closed]

I plan to implement a RSA signature verification module in hardware. Here are the specs: The module will only use RSA to perform signature verification with public key. The modulus key size is ...
1
vote
1answer
165 views

Certificate signature with SHA-1 and RSA: where do 1888 bits come from?

Plenty of X.509 Certificates use "PKCS#1 SHA1 with RSA encryption" as the Certificate Signature Algorithm for generating a 2048-bit signature. The SHA-1 hash function generates a hash value of 160 ...
2
votes
1answer
76 views

Usability of padding scheme in blinded RSA signature?

In Wikipedia's article on Blind signature, in the section Dangers of blind signing which describes RSA blinding attack one reads the following This attack works because in this blind signature ...