Crate ring

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Safe, fast, small crypto using Rust with BoringSSL’s cryptography primitives.

§Feature Flags

Feature Description
alloc (default) Enable features that require use of the heap, RSA in particular.
less-safe-getrandom-custom-or-rdrand Treat user-provided ("custom") and RDRAND-based getrandom implementations as secure random number generators (see SecureRandom). This feature only works with os = "none" targets. See register_custom_getrandom and RDRAND on x86 for additional details.
std Enable features that use libstd, in particular std::error::Error integration. Implies `alloc`.
wasm32_unknown_unknown_js When this feature is enabled, for the wasm32-unknown-unknown target, Web APIs will be used to implement features like `ring::rand` that require an operating environment of some kind. This has no effect for any other target. This enables the `getrandom` crate's `js` feature.

Modules§

  • aead
    Authenticated Encryption with Associated Data (AEAD).
  • agreement
    Key Agreement: ECDH, including X25519.
  • constant_time
    Constant-time operations.
  • digest
    SHA-2 and the legacy SHA-1 digest algorithm.
  • error
    Error reporting.
  • hkdf
    HMAC-based Extract-and-Expand Key Derivation Function.
  • hmac
    HMAC is specified in RFC 2104.
  • io
    Serialization and deserialization.
  • pbkdf2
    PBKDF2 derivation and verification.
  • pkcs8
    PKCS#8 is specified in RFC 5958.
  • rand
    Cryptographic pseudo-random number generation.
  • rsa
    RSA.
  • signature
    Public key signatures: signing and verification.
  • test
    Testing framework.

Macros§