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.. hazmat::
RSA
===
.. currentmodule:: cryptography.hazmat.primitives.asymmetric.rsa
`RSA`_ is a `public-key`_ algorithm for encrypting and signing messages.
.. class:: RSAPrivateKey(p, q, private_exponent, public_exponent, modulus)
.. versionadded:: 0.2
An RSA private key is required for decryption and signing of messages.
Normally you do not need to directly construct private keys because you'll
be loading them from a file or generating them automatically.
This class conforms to the
:class:`~cryptography.hazmat.primitives.interfaces.RSAPrivateKey`
interface.
:raises TypeError: This is raised when the arguments are not all integers.
:raises ValueError: This is raised when the values of `p`, `q`,
`private_exponent`, `public_exponent` or `modulus` do
not match the bounds specified in `RFC 3447`_.
.. class:: RSAPublicKey(public_exponent, modulus)
.. versionadded:: 0.2
An RSA public key is required for encryption and verification of messages.
Normally you do not need to directly construct public keys because you'll
be loading them from a file, generating them automatically or receiving
them from a 3rd party.
This class conforms to the
:class:`~cryptography.hazmat.primitives.interfaces.RSAPublicKey`
interface.
:raises TypeError: This is raised when the arguments are not all integers.
:raises ValueError: This is raised when the values of `public_exponent` or
`modulus` do not match the bounds specified in
`RFC 3447`_
.. _`RSA`: https://en.wikipedia.org/wiki/RSA_(cryptosystem)
.. _`public-key`: https://en.wikipedia.org/wiki/Public-key_cryptography
.. _`RFC 3447`: https://tools.ietf.org/html/rfc3447
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