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✏️ /usr/src/linux-headers-6.8.0-124/include/crypto/internal/kdf_selftest.h

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/* SPDX-License-Identifier: GPL-2.0 */

/*
 * Copyright (C) 2021, Stephan Mueller <smueller@chronox.de>
 */

#ifndef _CRYPTO_KDF_SELFTEST_H
#define _CRYPTO_KDF_SELFTEST_H

#include <crypto/hash.h>
#include <linux/uio.h>

struct kdf_testvec {
	unsigned char *key;
	size_t keylen;
	unsigned char *ikm;
	size_t ikmlen;
	struct kvec info;
	unsigned char *expected;
	size_t expectedlen;
};

static inline int
kdf_test(const struct kdf_testvec *test, const char *name,
	 int (*crypto_kdf_setkey)(struct crypto_shash *kmd,
				  const u8 *key, size_t keylen,
				  const u8 *ikm, size_t ikmlen),
	 int (*crypto_kdf_generate)(struct crypto_shash *kmd,
				    const struct kvec *info,
				    unsigned int info_nvec,
				    u8 *dst, unsigned int dlen))
{
	struct crypto_shash *kmd;
	int ret;
	u8 *buf = kzalloc(test->expectedlen, GFP_KERNEL);

if (!buf)
		return -ENOMEM;

kmd = crypto_alloc_shash(name, 0, 0);
	if (IS_ERR(kmd)) {
		pr_err("alg: kdf: could not allocate hash handle for %s\n",
		       name);
		kfree(buf);
		return -ENOMEM;
	}

ret = crypto_kdf_setkey(kmd, test->key, test->keylen,
				test->ikm, test->ikmlen);
	if (ret) {
		pr_err("alg: kdf: could not set key derivation key\n");
		goto err;
	}

ret = crypto_kdf_generate(kmd, &test->info, 1, buf, test->expectedlen);
	if (ret) {
		pr_err("alg: kdf: could not obtain key data\n");
		goto err;
	}

ret = memcmp(test->expected, buf, test->expectedlen);
	if (ret)
		ret = -EINVAL;

err:
	crypto_free_shash(kmd);
	kfree(buf);
	return ret;
}

#endif /* _CRYPTO_KDF_SELFTEST_H */

Batal

⬅ crypto 22 item

Nama	Tipe	Ukuran	Diubah	Perm	Aksi
📄 acompress.h	h	3.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 aead.h	h	4 KB	10/03/24 20:38	0644	✏️ ⬇
📄 akcipher.h	h	3.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 blake2b.h	h	3.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 blake2s.h	h	586 B	10/03/24 20:38	0644	✏️ ⬇
📄 chacha.h	h	969 B	10/03/24 20:38	0644	✏️ ⬇
📄 cipher.h	h	6.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 cryptouser.h	h	453 B	10/03/24 20:38	0644	✏️ ⬇
📄 des.h	h	3.3 KB	10/03/24 20:38	0644	✏️ ⬇
📄 ecc.h	h	8.9 KB	26/05/26 09:55	0644	✏️ ⬇
📄 engine.h	h	2.2 KB	10/03/24 20:38	0644	✏️ ⬇
📄 geniv.h	h	702 B	10/03/24 20:38	0644	✏️ ⬇
📄 hash.h	h	6.8 KB	10/03/24 20:38	0644	✏️ ⬇
📄 kdf_selftest.h	h	1.5 KB	10/03/24 20:38	0644	✏️ ⬇
📄 kpp.h	h	7 KB	10/03/24 20:38	0644	✏️ ⬇
📄 poly1305.h	h	1.1 KB	10/03/24 20:38	0644	✏️ ⬇
📄 rng.h	h	1021 B	10/03/24 20:38	0644	✏️ ⬇
📄 rsa.h	h	1.6 KB	10/03/24 20:38	0644	✏️ ⬇
📄 scompress.h	h	3.4 KB	10/03/24 20:38	0644	✏️ ⬇
📄 sig.h	h	376 B	10/03/24 20:38	0644	✏️ ⬇
📄 simd.h	h	1.9 KB	26/05/26 09:55	0644	✏️ ⬇
📄 skcipher.h	h	7.5 KB	10/03/24 20:38	0644	✏️ ⬇

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