diff options
| author | Tangyuxin <[email protected]> | 2022-05-28 10:02:19 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2022-05-28 10:02:19 +0800 |
| commit | ccfd2c3b285feb108469a6947859c3729f265ea1 (patch) | |
| tree | 0d70b9db8183cd2cb1c855bd076d2ffdd42a52c2 /components | |
| parent | 9d5302d7fbcd506c380ab78ac86af34d8080e7bf (diff) | |
[drivers][hwcrypto] Correct function return value definition (#5984)
Diffstat (limited to 'components')
| -rw-r--r-- | components/drivers/hwcrypto/hw_bignum.c | 9 | ||||
| -rw-r--r-- | components/drivers/hwcrypto/hw_bignum.h | 6 |
2 files changed, 9 insertions, 6 deletions
diff --git a/components/drivers/hwcrypto/hw_bignum.c b/components/drivers/hwcrypto/hw_bignum.c index 0488a16f08..bc729ebf36 100644 --- a/components/drivers/hwcrypto/hw_bignum.c +++ b/components/drivers/hwcrypto/hw_bignum.c @@ -78,6 +78,7 @@ void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n) { if (n) { + rt_memset(n->p, 0xFF, n->total); rt_free(n->p); n->sign = 0; n->total = 0; @@ -144,9 +145,9 @@ int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int * @param buf Buffer for the binary number * @param len Length of the buffer * - * @return RT_EOK on success. + * @return import length. */ -rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len) +int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len) { int cp_len, i, j; void *temp_p; @@ -162,11 +163,13 @@ rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, { return 0; } - rt_memset(temp_p, 0, len); rt_free(n->p); n->p = temp_p; n->total = len; } + + n->sign = 1; + rt_memset(n->p, 0, n->total); cp_len = n->total > len ? len : n->total; for(i = cp_len, j = 0; i > 0; i--, j++) diff --git a/components/drivers/hwcrypto/hw_bignum.h b/components/drivers/hwcrypto/hw_bignum.h index 442b28f558..5d4d15a1e4 100644 --- a/components/drivers/hwcrypto/hw_bignum.h +++ b/components/drivers/hwcrypto/hw_bignum.h @@ -22,7 +22,7 @@ struct hwcrypto_bignum; /* bignum obj */ struct hw_bignum_mpi { - int sign; /**< integer sign */ + int sign; /**< integer sign. -1 or 1 */ rt_size_t total; /**< total of limbs */ rt_uint8_t *p; /**< pointer to limbs */ }; @@ -108,9 +108,9 @@ int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int * @param buf Buffer for the binary number * @param len Length of the buffer * - * @return RT_EOK on success. + * @return import length. */ -rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len); +int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len); /** * @brief x = a + b |