0.5.0

Changelog:

• Support for SHA256, SHA384, SHA512/256 and cSHAKE128 dropped.
• Support for #![no_std] added.
• HMAC streaming API.
• HMAC now uses SHA512.
• Switched out clear_on_drop with seckey.
• Switched out constant_time_eq with subtle.
• cSHAKE streaming API.
• default::pbkdf2 no longer appends salt to password before hashing due to some problems integrating this using #![no_std]. This might be re-introduced later on.
• orion::core renamed to orion::utilities.
• cSHAKE verification function removed from hazardous.

Performance improvements compared to v0.4.3:

• HMAC: ~10% performance improvement
• HKDF: ~5% performance improvement
• PBKDF2: ~15% performance improvement
• cSHAKE: ~11% performance improvement

This was benchmarked on a MacBook Air 1,6 GHz Intel Core i5, 4GB.

0.4.3

Changelog:

• Updated dependency
• Adopted faster HMAC key padding steps from rigel crate, avoiding allocation as before but without the Cow borrow
• Memory and performance improvement to the PBKDF2 implementation by avoiding many useless allocations