Questions tagged [pss]

In a Probabilistic Signature Scheme, the signature depends on a random input, in addition to the private key and message.

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Why does RSASSA-PSS produce different signature each time even if I use same salt and same message?

I understand that RSASSA-PSS is not deterministic. But I see that in message encoding, MGF and SHA functions are deterministic. So even if I keep default salt length, it produces different signature. ...
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Preferred SHA-2 hash algorithm for MGF1 in RSA

Does it make any difference to the security and efficiency if we use SHA-256 or SHA-512 for the Mask Generation Function MGF1 that generates the masking / padding within the OAEP encryption scheme and ...