Begin designing the KDF interfaces. Fixes #511
Attempt some more natural language
DOcument that verify() apis should be provided
Reword for clarity
Merge pull request #516 from alex/design-principle-verify

DOcument that verify() apis should be provided
add PBKDF2 SHA1 vectors from RFC 6070
Merge pull request #517 from reaperhulk/pbkdf2-sha1-vectors

add PBKDF2 SHA1 vectors from RFC 6070
document how to build w/ custom openssl on windows
improve previous note on windows build
Try to improve the docs
add example for windows installation
Enforce that these may only be called once
Document that this is new in 0.2
Merge pull request #518 from longaccess/master

document building with custom OpenSSL installation on windows
Merge pull request #513 from alex/kdf-interface

Begin designing the KDF interfaces. Fixes #511
PBKDF2 support for OpenSSL backend
pbkdf2 docs
test coverage, other changes
documentation improvements for KDF
Fixed #521 -- work on systems with no ec header at all