/*
 * Copyright (C) 2016 - 2026, Stephan Mueller <smueller@chronox.de>
 *
 * License: see COPYING file in root directory
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
 * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

#include "chacha20_internal.h"
#include "chacha20_riscv64_v_zbb.h"
#include "ext_headers_riscv.h"
#include "lc_chacha20.h"
#include "lc_chacha20_private.h"
#include "status_algorithms.h"
#include "lc_sym.h"
#include "visibility.h"

#include "asm/riscv64/chacha20_asm_riscv64_v_zbb.h"

static int cc20_crypt_riscv64_v_zbb(struct lc_sym_state *ctx, const uint8_t *in,
				    uint8_t *out, size_t len)
{
	int ret;

	LC_VECTOR_ENABLE;
	ret = cc20_crypt_asm(ctx, in, out, len, ChaCha20_riscv64_v_zbb);
	LC_VECTOR_DISABLE;

	return ret;
}

static int cc20_crypt_iv_riscv64_v_zbb(const struct lc_sym_state *ctx,
				       const uint8_t *in, uint8_t *out,
				       size_t len, uint8_t *iv, size_t ivlen)
{
	int ret;

	LC_VECTOR_ENABLE;
	ret = cc20_crypt_iv_asm(ctx, in, out, len, iv, ivlen,
				ChaCha20_riscv64_v_zbb);
	LC_VECTOR_DISABLE;

	return ret;
}

static const struct lc_sym _lc_chacha20_riscv64_v_zbb = {
	.init = cc20_init,
	.setkey = cc20_setkey,
	.setiv = cc20_setiv,
	.getiv = cc20_getiv,
	.encrypt = cc20_crypt_riscv64_v_zbb,
	.decrypt = cc20_crypt_riscv64_v_zbb,

	.init_iv = cc20_init_iv,
	.encrypt_iv = cc20_crypt_iv_riscv64_v_zbb,
	.decrypt_iv = cc20_crypt_iv_riscv64_v_zbb,

	.statesize = LC_CC20_STATE_SIZE,
	.blocksize = 1,
	.algorithm_type = LC_ALG_STATUS_CHACHA20
};
LC_INTERFACE_SYMBOL(const struct lc_sym *,
		    lc_chacha20_riscv64_v_zbb) = &_lc_chacha20_riscv64_v_zbb;
