INNER CODE UNIT · Rust

derive

AChep/keyguard-app · commonAgent/src/lib.rs:198

    pub fn derive(canonical_context: &[u8]) -> Result<Self, IdentityError> {
        if canonical_context.is_empty() {
            return Err(IdentityError::EmptyAuthorizationContext);
        }

        Ok(Self(derive_fingerprint(
            CONTEXT_FINGERPRINT_DOMAIN,
            b"verified-protocol-context",
            canonical_context,
        )))
    }

    /// Constructs a fingerprint from already validated canonical bytes.
    #[must_use]
    pub const fn from_bytes(bytes: [u8; PRINCIPAL_FINGERPRINT_LEN]) -> Self {
        Self(bytes)
    }

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