Serialize RSA public keys

[reaperhulk]

Outstanding work:

• Discuss PublicFormat naming.
• Implement "bare" public key support (refs Support bare public keys? #1705)
• rebase after s/Format/PrivateFormat #1711 lands

[alex]

You can rebase all teh stuff out of this now.

[coveralls]

Coverage remained the same at 100.0% when pulling fbd7334 on reaperhulk:serialize-rsa-public-key into d208417 on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling fbd7334 on reaperhulk:serialize-rsa-public-key into d208417 on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling fbd7334 on reaperhulk:serialize-rsa-public-key into d208417 on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling fbd7334 on reaperhulk:serialize-rsa-public-key into d208417 on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling 301997f on reaperhulk:serialize-rsa-public-key into 741175e on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling 301997f on reaperhulk:serialize-rsa-public-key into 741175e on pyca:master.

[coveralls]

Coverage remained the same at 100.0% when pulling 301997f on reaperhulk:serialize-rsa-public-key into 741175e on pyca:master.

[alex]

Is this the best name for this?

[reaperhulk]

It's the name used by PyCrypto and Crypto++. Go calls it a "DER-encoded PKIX structure" but if you look in the source code it says "pkixPublicKey reflects a PKIX public key structure. See SubjectPublicKeyInfo in RFC 3280."

[alex]

Ok. Good enough for me.

On Sun, Mar 8, 2015 at 3:12 PM, Paul Kehrer notifications@github.com
wrote:

In docs/hazmat/primitives/asymmetric/serialization.rst
#1706 (comment):

@@ -309,6 +309,25 @@ Serialization Formats
encryption. Choose this unless you have explicit legacy compatibility
requirements.

+.. class:: PublicFormat
+

• .. versionadded:: 0.8

• An enumeration for public key formats. Used with the public_bytes
• method available on
• :class:~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKeyWithSerialization.

• .. attribute:: SubjectPublicKeyInfo

It's the name used by PyCrypto and Crypto++
http://www.cryptopp.com/wiki/Keys_and_Formats#Public_Key_Format. Go
calls it a "DER-encoded PKIX structure" but if you look in the source code
it says "pkixPublicKey reflects a PKIX public key structure. See
SubjectPublicKeyInfo in RFC 3280."

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[alex]

Besides those comments this looks fan-dab-tastic