Update gen_prvkey_mx paras to align with comments and c code
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index f853b96..a1f952f 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -47,7 +47,7 @@
* This is the bit-size of the key minus 1:
* 254 for Curve25519 or 447 for Curve448.
* \param d The randomly generated key. This is a number of size
- * exactly \p n_bits + 1 bits, with the least significant bits
+ * exactly \p high_bit + 1 bits, with the least significant bits
* masked as specified in [Curve25519] and in [RFC7748] §5.
* \param f_rng The RNG function.
* \param p_rng The RNG context to be passed to \p f_rng.
@@ -55,7 +55,7 @@
* \return \c 0 on success.
* \return \c MBEDTLS_ERR_ECP_xxx or MBEDTLS_ERR_MPI_xxx on failure.
*/
-int mbedtls_ecp_gen_privkey_mx(size_t n_bits,
+int mbedtls_ecp_gen_privkey_mx(size_t high_bit,
mbedtls_mpi *d,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng);