Bump rsa from 4.0 to 4.1

[dependabot[bot]]

Bumps rsa from 4.0 to 4.1.

Changelog

Sourced from rsa's changelog.

Version 4.1 - released 2020-06-10

• Added support for Python 3.8.
• Dropped support for Python 2 and 3.4.
• Added type annotations to the source code. This will make Python-RSA easier to use in your IDE, and allows better type checking.
• Added static type checking via MyPy.
• Fix #129 Installing from source gives UnicodeDecodeError.
• Switched to using Poetry for package management.
• Added support for SHA3 hashing: SHA3-256, SHA3-384, SHA3-512. This is natively supported by Python 3.6+ and supported via a third-party library on Python 3.5.
• Choose blinding factor relatively prime to N. Thanks Christian Heimes for pointing this out.
• Reject cyphertexts (when decrypting) and signatures (when verifying) that have been modified by prepending zero bytes. This resolves CVE-2020-13757. Thanks Adelapie for pointing this out.

Commits

• c6731b1 Bumped version to 4.1
• 80f0e9d Marked version 4.1 as released
• 65ab5b5 Add support for Python 3.8
• 9ecf340 Fixed credit for report
• 93af6f2 Fix CVE-2020-13757: detect cyphertext modifications by prepending zero bytes
• ae1a906 Add more type hints
• 1473cb8 Drop character encoding markers for Python 2.x
• 8ed5071 Choose blinding factor relatively prime to N
• 1659432 Updated Code Climate badge in README.md
• 96e13dd Configured CodeClimate
• Additional commits viewable in compare view

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[gimite]

rsa 4.1 does not support Python 2.

[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.

[gimite]

@dependabot ignore this major version

[dependabot[bot]]

OK, I won't notify you about version 4.x.x again, unless you re-open this PR or update to a 4.x.x release yourself.