linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Crypto user configuration API.

 *

 * Copyright (C) 2017-2018 Corentin Labbe <clabbe@baylibre.com>

 *

 */

​

#include <linux/crypto.h>

#include <linux/cryptouser.h>

#include <linux/sched.h>

#include <net/netlink.h>

#include <crypto/internal/skcipher.h>

#include <crypto/internal/rng.h>

#include <crypto/akcipher.h>

#include <crypto/kpp.h>

#include <crypto/internal/cryptouser.h>

​

#include "internal.h"

​

#define null_terminated(x)  (strnlen(x, sizeof(x)) < sizeof(x))

​

struct crypto_dump_info {

    struct sk_buff *in_skb;

    struct sk_buff *out_skb;

    u32 nlmsg_seq;

    u16 nlmsg_flags;

};

​

static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg)

{

    struct crypto_stat_aead raead;

​

    memset(&raead, 0, sizeof(raead));

​

    strscpy(raead.type, "aead", sizeof(raead.type));

​

    raead.stat_encrypt_cnt = atomic64_read(&alg->stats.aead.encrypt_cnt);

    raead.stat_encrypt_tlen = atomic64_read(&alg->stats.aead.encrypt_tlen);

    raead.stat_decrypt_cnt = atomic64_read(&alg->stats.aead.decrypt_cnt);

    raead.stat_decrypt_tlen = atomic64_read(&alg->stats.aead.decrypt_tlen);

    raead.stat_err_cnt = atomic64_read(&alg->stats.aead.err_cnt);

​

    return nla_put(skb, CRYPTOCFGA_STAT_AEAD, sizeof(raead), &raead);

}

​

static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)

{

    struct crypto_stat_cipher rcipher;

​

    memset(&rcipher, 0, sizeof(rcipher));

​

    strscpy(rcipher.type, "cipher", sizeof(rcipher.type));

​

    rcipher.stat_encrypt_cnt = atomic64_read(&alg->stats.cipher.encrypt_cnt);

    rcipher.stat_encrypt_tlen = atomic64_read(&alg->stats.cipher.encrypt_tlen);

    rcipher.stat_decrypt_cnt =  atomic64_read(&alg->stats.cipher.decrypt_cnt);

    rcipher.stat_decrypt_tlen = atomic64_read(&alg->stats.cipher.decrypt_tlen);

    rcipher.stat_err_cnt =  atomic64_read(&alg->stats.cipher.err_cnt);

​

    return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher);

}

​

static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)

{

    struct crypto_stat_compress rcomp;

​

    memset(&rcomp, 0, sizeof(rcomp));

​

    strscpy(rcomp.type, "compression", sizeof(rcomp.type));

    rcomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);

    rcomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);

    rcomp.stat_decompress_cnt = atomic64_read(&alg->stats.compress.decompress_cnt);

    rcomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);

    rcomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);

​

    return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp);

}

​

static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)

{

    struct crypto_stat_compress racomp;

​

    memset(&racomp, 0, sizeof(racomp));

​

    strscpy(racomp.type, "acomp", sizeof(racomp.type));

    racomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);

    racomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);

    racomp.stat_decompress_cnt =  atomic64_read(&alg->stats.compress.decompress_cnt);

    racomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);

    racomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);

​