Wishlist: Add Key Stretching Algorithms

• PBKDF2 (as pkcs5)
• Bcrypt
• Scrypt
• Argon2

[sjaeckel]

PBKDF2 is available, but it's called pkcs5

[DonaldTsang]

What about other key stretching algorithms in the PHC? See https://github.com/bsdphk/PHC

Special recognition

• Catena
• Lyra2
• Makwa
• YesCrypt

Finalist

• Battcrypt
• Parallel
• POMELO
• Pufferfish