Module ring::hkdf

HMAC-based Extract-and-Expand Key Derivation Function.

HKDF is specified in RFC 5869.

Structs

• Algorithm
  An HKDF algorithm.
• Okm
  An HKDF OKM (Output Keying Material)
• Prk
  A HKDF PRK (pseudorandom key).
• Salt
  A salt for HKDF operations.

Statics

• HKDF_SHA1_FOR_LEGACY_USE_ONLY
  HKDF using HMAC-SHA-1. Obsolete.
• HKDF_SHA256
  HKDF using HMAC-SHA-256.
• HKDF_SHA384
  HKDF using HMAC-SHA-384.
• HKDF_SHA512
  HKDF using HMAC-SHA-512.

Traits

• KeyType
  The length of the OKM (Output Keying Material) for a Prk::expand() call.