wolfcrypt-ring-compat 1.16.4

wolfcrypt-ring-compat is a cryptographic library using wolfSSL for its cryptographic operations. This library strives to be API-compatible with the popular Rust library named ring.
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use crate::aead::{Algorithm, AlgorithmID};

use crate::aead::aead_ctx::AeadCtx;
use crate::cipher::aes::{AES_128_KEY_LEN, AES_192_KEY_LEN, AES_256_KEY_LEN};
use crate::error::Unspecified;

/// AES-128 in GCM mode with 128-bit tags and 96 bit nonces.
pub const AES_128_GCM: Algorithm = Algorithm {
    init: init_128_aead,
    key_len: AES_128_KEY_LEN,
    id: AlgorithmID::AES_128_GCM,
    max_input_len: u64::MAX,
};

/// AES-192 in GCM mode with 128-bit tags and 96 bit nonces.
pub const AES_192_GCM: Algorithm = Algorithm {
    init: init_192_aead,
    key_len: AES_192_KEY_LEN,
    id: AlgorithmID::AES_192_GCM,
    max_input_len: u64::MAX,
};

/// AES-256 in GCM mode with 128-bit tags and 96 bit nonces.
pub const AES_256_GCM: Algorithm = Algorithm {
    init: init_256_aead,
    key_len: AES_256_KEY_LEN,
    id: AlgorithmID::AES_256_GCM,
    max_input_len: u64::MAX,
};

#[inline]
fn init_128_aead(key: &[u8], tag_len: usize) -> Result<AeadCtx, Unspecified> {
    AeadCtx::aes_128_gcm(key, tag_len)
}

#[inline]
fn init_192_aead(key: &[u8], tag_len: usize) -> Result<AeadCtx, Unspecified> {
    AeadCtx::aes_192_gcm(key, tag_len)
}

#[inline]
fn init_256_aead(key: &[u8], tag_len: usize) -> Result<AeadCtx, Unspecified> {
    AeadCtx::aes_256_gcm(key, tag_len)
}