bip32 0.5.3

BIP32 hierarchical key derivation implemented in a generic, no_std-friendly manner. Supports deriving keys using the pure Rust k256 crate or the C library-backed secp256k1 crate
Documentation 
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//! Extended key attributes.

use crate::{ChainCode, ChildNumber, Depth, KeyFingerprint};

/// Extended key attributes: fields common to extended keys including depth,
/// fingerprints, child numbers, and chain codes.
#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
pub struct ExtendedKeyAttrs {
    /// Depth in the key derivation hierarchy.
    pub depth: Depth,

    /// Parent fingerprint.
    pub parent_fingerprint: KeyFingerprint,

    /// Child number.
    pub child_number: ChildNumber,

    /// Chain code.
    pub chain_code: ChainCode,
}