Pycryptodome specification:
https://pycryptodome.readthedocs.io/en/latest/src/features.html

PKCS
https://pycryptodome.readthedocs.io/en/latest/src/signature/pkcs1_v1_5.html?highlight=rsa

RSAES-OAEP
https://pycryptodome.readthedocs.io/en/latest/src/cipher/oaep.html?highlight=RSAES-OAEP

DSA
https://pycryptodome.readthedocs.io/en/latest/src/public_key/dsa.html?highlight=DSA#dsa