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crypto: export crc32 from /dev/crypto

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Signed-off-by: makejian <makejian@xiaomi.com>
This commit is contained in:
makejian 2024-07-02 13:34:52 +08:00 committed by Petro Karashchenko
parent 963c5e8e52
commit 28974b8a21
5 changed files with 50 additions and 2 deletions
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1
crypto/cryptodev.c
View file

@ -255,6 +255,7 @@ static int cryptof_ioctl(FAR struct file *filep,
case CRYPTO_SHA2_256:
case CRYPTO_SHA2_384:
case CRYPTO_SHA2_512:
case CRYPTO_CRC32:
thash = true;
break;
default:

7
crypto/cryptosoft.c
View file

@ -835,6 +835,10 @@ int swcr_newsession(FAR uint32_t *sid, FAR struct cryptoini *cri)
axf = &auth_hash_poly1305;
goto auth4common;
case CRYPTO_CRC32:
axf = &auth_hash_crc32;
goto auth4common;
case CRYPTO_CHACHA20_POLY1305_MAC:
axf = &auth_hash_chacha20_poly1305;
@ -956,6 +960,7 @@ int swcr_freesession(uint64_t tid)
case CRYPTO_SHA2_256:
case CRYPTO_SHA2_384:
case CRYPTO_SHA2_512:
case CRYPTO_CRC32:
axf = swd->sw_axf;
if (swd->sw_ictx)
@ -1090,6 +1095,7 @@ int swcr_process(struct cryptop *crp)
case CRYPTO_SHA2_256:
case CRYPTO_SHA2_384:
case CRYPTO_SHA2_512:
case CRYPTO_CRC32:
if ((crp->crp_etype = swcr_hash(crp, crd, sw,
crp->crp_buf)) != 0)
{
@ -1230,6 +1236,7 @@ void swcr_init(void)
algs[CRYPTO_SHA2_256] = CRYPTO_ALG_FLAG_SUPPORTED;
algs[CRYPTO_SHA2_384] = CRYPTO_ALG_FLAG_SUPPORTED;
algs[CRYPTO_SHA2_512] = CRYPTO_ALG_FLAG_SUPPORTED;
algs[CRYPTO_CRC32] = CRYPTO_ALG_FLAG_SUPPORTED;
algs[CRYPTO_ESN] = CRYPTO_ALG_FLAG_SUPPORTED;
crypto_register(swcr_id, algs, swcr_newsession,

38
crypto/xform.c
View file

@ -72,9 +72,16 @@
#include <crypto/gmac.h>
#include <crypto/chachapoly.h>
#include <crypto/poly1305.h>
#include <nuttx/crc32.h>
#include "des_locl.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define CRC32_XOR_VALUE 0xFFFFFFFFUL
/****************************************************************************
* Public Functions
****************************************************************************/
@ -129,6 +136,9 @@ int sha224update_int(FAR void *, FAR const uint8_t *, size_t);
int sha256update_int(FAR void *, FAR const uint8_t *, size_t);
int sha384update_int(FAR void *, FAR const uint8_t *, size_t);
int sha512update_int(FAR void *, FAR const uint8_t *, size_t);
void crc32setkey(FAR void *, FAR const uint8_t *, uint16_t);
int crc32update(FAR void *, FAR const uint8_t *, size_t);
void crc32final(FAR uint8_t *, FAR void *);
struct aes_ctr_ctx
{
@ -457,6 +467,13 @@ const struct auth_hash auth_hash_sha2_512 =
(void (*)(FAR uint8_t *, FAR void *)) sha512final
};
const struct auth_hash auth_hash_crc32 =
{
CRYPTO_CRC32, "CRC32",
0, 32, 0, sizeof(uint32_t), 1,
null_init, crc32setkey, NULL, crc32update, crc32final
};
/* Encryption wrapper routines. */
void des3_encrypt(caddr_t key, FAR uint8_t *blk)
@ -879,3 +896,24 @@ int sha512update_int(FAR void *ctx, FAR const uint8_t *buf, size_t len)
sha512update(ctx, buf, len);
return 0;
}
void crc32setkey(FAR void *ctx, FAR const uint8_t *key, uint16_t len)
{
FAR uint32_t *val = (FAR uint32_t *)key;
uint32_t tmp = (*val) ^ CRC32_XOR_VALUE;
memcpy(ctx, &tmp, len);
}
int crc32update(FAR void *ctx, FAR const uint8_t *buf, size_t len)
{
FAR uint32_t *startval = (FAR uint32_t *)ctx;
*startval = crc32part(buf, len, *startval);
return 0;
}
void crc32final(FAR uint8_t *digest, FAR void *ctx)
{
FAR uint32_t *val = (FAR uint32_t *)ctx;
uint32_t result = (*val) ^ CRC32_XOR_VALUE;
memcpy(digest, &result, sizeof(uint32_t));
}

5
include/crypto/cryptodev.h
View file

@ -124,8 +124,9 @@
#define CRYPTO_SHA2_256 31
#define CRYPTO_SHA2_384 32
#define CRYPTO_SHA2_512 33
#define CRYPTO_ESN 34 /* Support for Extended Sequence Numbers */
#define CRYPTO_ALGORITHM_MAX 34 /* Keep updated */
#define CRYPTO_CRC32 34
#define CRYPTO_ESN 35 /* Support for Extended Sequence Numbers */
#define CRYPTO_ALGORITHM_MAX 35 /* Keep updated */
/* Algorithm flags */

1
include/crypto/xform.h
View file

@ -128,5 +128,6 @@ extern const struct auth_hash auth_hash_sha2_224;
extern const struct auth_hash auth_hash_sha2_256;
extern const struct auth_hash auth_hash_sha2_384;
extern const struct auth_hash auth_hash_sha2_512;
extern const struct auth_hash auth_hash_crc32;
#endif /* __INCLUDE_CRYPTO_XFORM_H */