127 lines
4.4 KiB
Rust
127 lines
4.4 KiB
Rust
// Copyright (C) 2020 Éloïs SANCHEZ.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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use crate::*;
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pub(super) fn change_secret_code(
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currency: &str,
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dewif: &str,
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old_secret_code: &str,
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member_wallet: bool,
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secret_code_type: SecretCodeType,
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system_memory: i64,
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) -> Result<Vec<String>, DubpError> {
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let currency = parse_currency(currency)?;
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let mut keypairs = dup_crypto::dewif::read_dewif_file_content(
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ExpectedCurrency::Specific(currency),
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dewif,
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old_secret_code,
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)
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.map_err(DubpError::DewifReadError)?;
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if let Some(KeyPairEnum::Ed25519(keypair)) = keypairs.next() {
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let log_n = log_n(system_memory);
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let new_secret_code = gen_secret_code(member_wallet, secret_code_type, log_n)?;
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let dewif =
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dup_crypto::dewif::write_dewif_v3_content(currency, &keypair, log_n, &new_secret_code);
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let pubkey = keypair.public_key().to_base58();
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Ok(vec![dewif, new_secret_code, pubkey])
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} else {
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Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
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}
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}
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pub(super) fn gen_dewif(
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currency: &str,
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language: Language,
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mnemonic: &str,
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member_wallet: bool,
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secret_code_type: SecretCodeType,
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system_memory: i64,
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) -> Result<Vec<String>, DubpError> {
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let currency = parse_currency(currency)?;
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let mnemonic =
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Mnemonic::from_phrase(mnemonic, language).map_err(|_| DubpError::WrongLanguage)?;
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let seed = dup_crypto::mnemonic::mnemonic_to_seed(&mnemonic);
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let keypair = KeyPairFromSeed32Generator::generate(seed);
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let log_n = log_n(system_memory);
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let secret_code = gen_secret_code(member_wallet, secret_code_type, log_n)?;
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let dewif = dup_crypto::dewif::write_dewif_v3_content(currency, &keypair, log_n, &secret_code);
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let pubkey = keypair.public_key().to_base58();
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Ok(vec![dewif, secret_code, pubkey])
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}
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pub(super) fn get_pubkey(currency: Currency, dewif: &str, pin: &str) -> Result<String, DubpError> {
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let mut keypairs = dup_crypto::dewif::read_dewif_file_content(
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ExpectedCurrency::Specific(currency),
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dewif,
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&pin.to_ascii_uppercase(),
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)
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.map_err(DubpError::DewifReadError)?;
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if let Some(KeyPairEnum::Ed25519(keypair)) = keypairs.next() {
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Ok(keypair.public_key().to_base58())
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} else {
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Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
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}
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}
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pub(super) fn sign(currency: &str, dewif: &str, pin: &str, msg: &str) -> Result<String, DubpError> {
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let currency = parse_currency(currency)?;
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let mut keypairs = dup_crypto::dewif::read_dewif_file_content(
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ExpectedCurrency::Specific(currency),
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dewif,
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&pin.to_ascii_uppercase(),
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)
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.map_err(DubpError::DewifReadError)?;
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if let Some(KeyPairEnum::Ed25519(keypair)) = keypairs.next() {
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Ok(keypair.generate_signator().sign(msg.as_bytes()).to_base64())
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} else {
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Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
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}
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}
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pub(super) fn sign_several(
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currency: &str,
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dewif: &str,
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pin: &str,
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msgs: &[&str],
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) -> Result<Vec<String>, DubpError> {
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let currency = parse_currency(currency)?;
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let mut keypairs = dup_crypto::dewif::read_dewif_file_content(
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ExpectedCurrency::Specific(currency),
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dewif,
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&pin.to_ascii_uppercase(),
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)
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.map_err(DubpError::DewifReadError)?;
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if let Some(KeyPairEnum::Ed25519(keypair)) = keypairs.next() {
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let signator = keypair.generate_signator();
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Ok(msgs
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.iter()
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.map(|msg| signator.sign(msg.as_bytes()).to_base64())
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.collect())
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} else {
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Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
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}
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}
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pub(crate) fn log_n(system_memory: i64) -> u8 {
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if system_memory > 3_000_000_000 {
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15
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} else {
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12
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}
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}
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