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https://github.com/saymrwulf/curve25519-dalek-source.git
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32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
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// -*- mode: rust; -*-
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//
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// This file is part of ed25519-dalek.
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// Copyright (c) 2017-2018 isis lovecruft
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// See LICENSE for licensing information.
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//
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// Authors:
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// - isis agora lovecruft <isis@patternsinthevoid.net>
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//! Common constants such as buffer sizes for keypairs and signatures.
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/// The length of a ed25519 `Signature`, in bytes.
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pub const SIGNATURE_LENGTH: usize = 64;
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/// The length of a ed25519 `SecretKey`, in bytes.
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pub const SECRET_KEY_LENGTH: usize = 32;
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/// The length of an ed25519 `PublicKey`, in bytes.
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pub const PUBLIC_KEY_LENGTH: usize = 32;
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/// The length of an ed25519 `Keypair`, in bytes.
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pub const KEYPAIR_LENGTH: usize = SECRET_KEY_LENGTH + PUBLIC_KEY_LENGTH;
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/// The length of the "key" portion of an "expanded" ed25519 secret key, in bytes.
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const EXPANDED_SECRET_KEY_KEY_LENGTH: usize = 32;
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/// The length of the "nonce" portion of an "expanded" ed25519 secret key, in bytes.
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const EXPANDED_SECRET_KEY_NONCE_LENGTH: usize = 32;
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/// The length of an "expanded" ed25519 key, `ExpandedSecretKey`, in bytes.
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pub const EXPANDED_SECRET_KEY_LENGTH: usize = EXPANDED_SECRET_KEY_KEY_LENGTH + EXPANDED_SECRET_KEY_NONCE_LENGTH;
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