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pbkdf.rs
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// Copyright 2020 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0
#![allow(non_snake_case)]
fn assert_iteration_count(alg: &'static str, count: usize) -> crate::Result<()> {
if count == 0 {
Err(crate::Error::InvalidArgumentError {
alg,
expected: "non-zero iteration count",
})
} else {
Ok(())
}
}
#[cfg(all(feature = "hmac", feature = "sha"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "hmac", feature = "sha"))))]
pub fn PBKDF2_HMAC_SHA256(password: &[u8], salt: &[u8], count: usize, buffer: &mut [u8]) -> crate::Result<()> {
assert_iteration_count("PBKDF2-HMAC-SHA256", count).map(|_| {
pbkdf2::pbkdf2::<hmac_::Hmac<sha2::Sha256>>(password, salt, count as u32, buffer);
})
}
#[cfg(all(feature = "hmac", feature = "sha"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "hmac", feature = "sha"))))]
pub fn PBKDF2_HMAC_SHA384(password: &[u8], salt: &[u8], count: usize, buffer: &mut [u8]) -> crate::Result<()> {
assert_iteration_count("PBKDF2-HMAC-SHA384", count).map(|_| {
pbkdf2::pbkdf2::<hmac_::Hmac<sha2::Sha384>>(password, salt, count as u32, buffer);
})
}
#[cfg(all(feature = "hmac", feature = "sha"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "hmac", feature = "sha"))))]
pub fn PBKDF2_HMAC_SHA512(password: &[u8], salt: &[u8], count: usize, buffer: &mut [u8]) -> crate::Result<()> {
assert_iteration_count("PBKDF2-HMAC-SHA512", count).map(|_| {
pbkdf2::pbkdf2::<hmac_::Hmac<sha2::Sha512>>(password, salt, count as u32, buffer);
})
}