Use HTTPS for a number of URLs in the docs
diff --git a/docs/hazmat/primitives/asymmetric/rsa.rst b/docs/hazmat/primitives/asymmetric/rsa.rst
index a5cebb1..6c96090 100644
--- a/docs/hazmat/primitives/asymmetric/rsa.rst
+++ b/docs/hazmat/primitives/asymmetric/rsa.rst
@@ -271,4 +271,4 @@
.. _`use 65537`: http://www.daemonology.net/blog/2009-06-11-cryptographic-right-answers.html
.. _`at least 2048`: http://www.ecrypt.eu.org/documents/D.SPA.20.pdf
.. _`OpenPGP`: https://en.wikipedia.org/wiki/Pretty_Good_Privacy
-.. _`Chinese Remainder Theorem`: http://en.wikipedia.org/wiki/RSA_%28cryptosystem%29#Using_the_Chinese_remainder_algorithm
+.. _`Chinese Remainder Theorem`: https://en.wikipedia.org/wiki/RSA_%28cryptosystem%29#Using_the_Chinese_remainder_algorithm
diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index d964f25..d87e8d6 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -9,7 +9,7 @@
this information to influence their operation. Interfaces should also be used
to document argument and return types.
-.. _`Abstract Base Classes`: http://docs.python.org/3.2/library/abc.html
+.. _`Abstract Base Classes`: https://docs.python.org/3/library/abc.html
Symmetric ciphers
@@ -752,5 +752,5 @@
.. _`Chinese remainder theorem`: https://en.wikipedia.org/wiki/Chinese_remainder_theorem
.. _`DSA`: https://en.wikipedia.org/wiki/Digital_Signature_Algorithm
.. _`CMAC`: https://en.wikipedia.org/wiki/CMAC
-.. _`ECDSA`: http://en.wikipedia.org/wiki/ECDSA
-.. _`EdDSA`: http://en.wikipedia.org/wiki/EdDSA
+.. _`ECDSA`: https://en.wikipedia.org/wiki/ECDSA
+.. _`EdDSA`: https://en.wikipedia.org/wiki/EdDSA
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst
index 586285b..b21ef61 100644
--- a/docs/hazmat/primitives/symmetric-encryption.rst
+++ b/docs/hazmat/primitives/symmetric-encryption.rst
@@ -510,6 +510,6 @@
.. _`Communications Security Establishment`: http://www.cse-cst.gc.ca
.. _`encrypt`: https://ssd.eff.org/tech/encryption
.. _`CRYPTREC`: http://www.cryptrec.go.jp/english/
-.. _`significant patterns in the output`: http://en.wikipedia.org/wiki/Cipher_block_chaining#Electronic_codebook_.28ECB.29
+.. _`significant patterns in the output`: https://en.wikipedia.org/wiki/Cipher_block_chaining#Electronic_codebook_.28ECB.29
.. _`International Data Encryption Algorithm`: https://en.wikipedia.org/wiki/International_Data_Encryption_Algorithm
.. _`OpenPGP`: http://www.openpgp.org