Verification of RSA Sha256 Pkcs1.5 Signatues
This kind of signatures (with PSS) are standard in CryptoAPIs when generating RSA signatures.
Checked results with FIPS test vectors https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/dss/186-2rsatestvectors.zip file SigVer15_186-3.rsp