[drivers][hwcrypto] Correct function return value definition (#5984)
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@ -78,6 +78,7 @@ void rt_hwcrypto_bignum_free(struct hw_bignum_mpi *n)
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{
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if (n)
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{
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rt_memset(n->p, 0xFF, n->total);
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rt_free(n->p);
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n->sign = 0;
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n->total = 0;
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@ -144,9 +145,9 @@ int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int
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* @param buf Buffer for the binary number
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* @param len Length of the buffer
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*
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* @return RT_EOK on success.
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* @return import length.
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*/
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rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
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int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len)
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{
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int cp_len, i, j;
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void *temp_p;
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@ -162,11 +163,13 @@ rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf,
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{
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return 0;
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}
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rt_memset(temp_p, 0, len);
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rt_free(n->p);
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n->p = temp_p;
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n->total = len;
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}
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n->sign = 1;
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rt_memset(n->p, 0, n->total);
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cp_len = n->total > len ? len : n->total;
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for(i = cp_len, j = 0; i > 0; i--, j++)
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@ -22,7 +22,7 @@ struct hwcrypto_bignum;
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/* bignum obj */
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struct hw_bignum_mpi
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{
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int sign; /**< integer sign */
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int sign; /**< integer sign. -1 or 1 */
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rt_size_t total; /**< total of limbs */
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rt_uint8_t *p; /**< pointer to limbs */
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};
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@ -108,9 +108,9 @@ int rt_hwcrypto_bignum_export_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int
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* @param buf Buffer for the binary number
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* @param len Length of the buffer
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*
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* @return RT_EOK on success.
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* @return import length.
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*/
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rt_err_t rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
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int rt_hwcrypto_bignum_import_bin(struct hw_bignum_mpi *n, rt_uint8_t *buf, int len);
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/**
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* @brief x = a + b
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