doxygen: fix parameter name typos and misused \p commands

\p is reserved for function parameters.
\c is used to describe other values and variables.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/mbedtls/camellia.h b/include/mbedtls/camellia.h
index f4aa002..540f0fd 100644
--- a/include/mbedtls/camellia.h
+++ b/include/mbedtls/camellia.h
@@ -220,7 +220,7 @@
  * *note       Due to the nature of CTR mode, you should use the same
  *             key for both encryption and decryption. In particular, calls
  *             to this function should be preceded by a key-schedule via
- *             mbedtls_camellia_setkey_enc() regardless of whether \p mode
+ *             mbedtls_camellia_setkey_enc() regardless of whether \c mode
  *             is #MBEDTLS_CAMELLIA_ENCRYPT or #MBEDTLS_CAMELLIA_DECRYPT.
  *
  * \warning    You must never reuse a nonce value with the same key. Doing so
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index 03e2327..bdfa7f8 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -505,7 +505,7 @@
  *
  * \return              The cipher name, which is a human readable string,
  *                      with static storage duration.
- * \return              \c NULL if \c info is \p NULL.
+ * \return              \c NULL if \p info is \c NULL.
  */
 static inline const char *mbedtls_cipher_info_get_name(
     const mbedtls_cipher_info_t *info)
@@ -596,7 +596,7 @@
 }
 
 /**
- * \brief               This function initializes a \p cipher_context as NONE.
+ * \brief               This function initializes a \p ctx as NONE.
  *
  * \param ctx           The context to be initialized. This must not be \c NULL.
  */
@@ -790,7 +790,7 @@
  * \param ctx           The context of the cipher. This must be initialized.
  *
  * \return              The key length of the cipher in bits.
- * \return              #MBEDTLS_KEY_LENGTH_NONE if ctx \p has not been
+ * \return              #MBEDTLS_KEY_LENGTH_NONE if \p ctx has not been
  *                      initialized.
  */
 static inline int mbedtls_cipher_get_key_bitlen(
@@ -990,7 +990,7 @@
  * \param ctx           The generic cipher context. This must be initialized and
  *                      bound to a key.
  * \param output        The buffer to write data to. This needs to be a writable
- *                      buffer of at least \p block_size Bytes.
+ *                      buffer of at least \c block_size Bytes.
  * \param olen          The length of the data written to the \p output buffer.
  *                      This may not be \c NULL.
  *
diff --git a/include/mbedtls/dhm.h b/include/mbedtls/dhm.h
index 6ffe681..0232a71 100644
--- a/include/mbedtls/dhm.h
+++ b/include/mbedtls/dhm.h
@@ -325,7 +325,7 @@
  *                 initialized.
  *
  * \return         \c 0 on success.
- * \return         #MBEDTLS_ERR_DHM_BAD_INPUT_DATA if \p field is invalid.
+ * \return         #MBEDTLS_ERR_DHM_BAD_INPUT_DATA if \p param is invalid.
  * \return         An \c MBEDTLS_ERR_MPI_XXX error code if the copy fails.
  */
 int mbedtls_dhm_get_value(const mbedtls_dhm_context *ctx,
diff --git a/include/mbedtls/ecdsa.h b/include/mbedtls/ecdsa.h
index e797c1a..7e8a8c1 100644
--- a/include/mbedtls/ecdsa.h
+++ b/include/mbedtls/ecdsa.h
@@ -207,8 +207,9 @@
  * \param md_alg        The hash algorithm used to hash the original data.
  * \param f_rng_blind   The RNG function used for blinding. This must not be
  *                      \c NULL.
- * \param p_rng_blind   The RNG context to be passed to \p f_rng. This may be
- *                      \c NULL if \p f_rng doesn't need a context parameter.
+ * \param p_rng_blind   The RNG context to be passed to \p f_rng_blind. This
+ *                      may be \c NULL if \p f_rng_blind doesn't need a context
+ *                      parameter.
  *
  * \return          \c 0 on success.
  * \return          An \c MBEDTLS_ERR_ECP_XXX or \c MBEDTLS_MPI_XXX
@@ -459,7 +460,7 @@
  *                  via mbedtls_ecdsa_genkey() or mbedtls_ecdsa_from_keypair().
  * \param md_alg    The message digest that was used to hash the message.
  * \param hash      The message hash to be signed. This must be a readable
- *                  buffer of length \p blen Bytes.
+ *                  buffer of length \p hlen Bytes.
  * \param hlen      The length of the hash \p hash in Bytes.
  * \param sig       The buffer to which to write the signature. This must be a
  *                  writable buffer of length at least twice as large as the
@@ -502,7 +503,7 @@
  *                  via mbedtls_ecdsa_genkey() or mbedtls_ecdsa_from_keypair().
  * \param md_alg    The message digest that was used to hash the message.
  * \param hash      The message hash to be signed. This must be a readable
- *                  buffer of length \p blen Bytes.
+ *                  buffer of length \p hlen Bytes.
  * \param hlen      The length of the hash \p hash in Bytes.
  * \param sig       The buffer to which to write the signature. This must be a
  *                  writable buffer of length at least twice as large as the
@@ -549,7 +550,7 @@
  * \param ctx       The ECDSA context to use. This must be initialized
  *                  and have a group and public key bound to it.
  * \param hash      The message hash that was signed. This must be a readable
- *                  buffer of length \p size Bytes.
+ *                  buffer of length \p hlen Bytes.
  * \param hlen      The size of the hash \p hash.
  * \param sig       The signature to read and verify. This must be a readable
  *                  buffer of length \p slen Bytes.
@@ -579,7 +580,7 @@
  * \param ctx       The ECDSA context to use. This must be initialized
  *                  and have a group and public key bound to it.
  * \param hash      The message hash that was signed. This must be a readable
- *                  buffer of length \p size Bytes.
+ *                  buffer of length \p hlen Bytes.
  * \param hlen      The size of the hash \p hash.
  * \param sig       The signature to read and verify. This must be a readable
  *                  buffer of length \p slen Bytes.
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index fc42838..0e678a3 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -1083,7 +1083,7 @@
  *
  *                  It only checks that the point is non-zero, has
  *                  valid coordinates and lies on the curve. It does not verify
- *                  that it is indeed a multiple of \p G. This additional
+ *                  that it is indeed a multiple of \c G. This additional
  *                  check is computationally more expensive, is not required
  *                  by standards, and should not be necessary if the group
  *                  used has a small cofactor. In particular, it is useless for
@@ -1108,7 +1108,7 @@
                              const mbedtls_ecp_point *pt);
 
 /**
- * \brief           This function checks that an \p mbedtls_mpi is a
+ * \brief           This function checks that an \c mbedtls_mpi is a
  *                  valid private key for this curve.
  *
  * \note            This function uses bare components rather than an
diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index 4ca6b08..2e5aa6d 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -183,8 +183,8 @@
  * \param len           The length of the personalization string.
  *                      This must be at most #MBEDTLS_HMAC_DRBG_MAX_INPUT
  *                      and also at most
- *                      #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \p entropy_len * 3 / 2
- *                      where \p entropy_len is the entropy length
+ *                      #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \c entropy_len * 3 / 2
+ *                      where \c entropy_len is the entropy length
  *                      described above.
  *
  * \return              \c 0 if successful.
@@ -313,8 +313,8 @@
  * \param len           The length of the additional data.
  *                      This must be at most #MBEDTLS_HMAC_DRBG_MAX_INPUT
  *                      and also at most
- *                      #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \p entropy_len
- *                      where \p entropy_len is the entropy length
+ *                      #MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT - \c entropy_len
+ *                      where \c entropy_len is the entropy length
  *                      (see mbedtls_hmac_drbg_set_entropy_len()).
  *
  * \return              \c 0 if successful.
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index fbf464d..30e4d13 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1283,8 +1283,8 @@
  * );
  * ```
  * The \c context value is initialized to 0 before the first call.
- * The function must fill the \c output buffer with \p output_size bytes
- * of random data and set \c *output_length to \p output_size.
+ * The function must fill the \c output buffer with \c output_size bytes
+ * of random data and set \c *output_length to \c output_size.
  *
  * Requires: MBEDTLS_PSA_CRYPTO_C
  *
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index cdd3882..b5d12cf 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -552,7 +552,7 @@
  *
  * \return          0 on success (signature is valid),
  *                  #MBEDTLS_ERR_PK_SIG_LEN_MISMATCH if there is a valid
- *                  signature in sig but its length is less than \p siglen,
+ *                  signature in \p sig but its length is less than \p sig_len,
  *                  or a specific error code.
  *
  * \note            For RSA keys, the default padding type is PKCS#1 v1.5.
@@ -606,7 +606,7 @@
  *                  #MBEDTLS_ERR_PK_TYPE_MISMATCH if the PK context can't be
  *                  used for this type of signatures,
  *                  #MBEDTLS_ERR_PK_SIG_LEN_MISMATCH if there is a valid
- *                  signature in sig but its length is less than \p siglen,
+ *                  signature in \p sig but its length is less than \p sig_len,
  *                  or a specific error code.
  *
  * \note            If hash_len is 0, then the length associated with md_alg
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index da8639b..2568e74 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -547,7 +547,7 @@
  * \note           This function does not handle message padding.
  *
  * \note           Make sure to set \p input[0] = 0 or ensure that
- *                 input is smaller than \p N.
+ *                 input is smaller than \c N.
  *
  * \return         \c 0 on success.
  * \return         An \c MBEDTLS_ERR_RSA_XXX error code on failure.
@@ -984,8 +984,8 @@
  *                 verification.
  *
  * \note           For PKCS#1 v2.1 encoding, see comments on
- *                 mbedtls_rsa_rsassa_pss_verify() about \p md_alg and
- *                 \p hash_id.
+ *                 mbedtls_rsa_rsassa_pss_verify() about \c md_alg and
+ *                 \c hash_id.
  *
  * \param ctx      The initialized RSA public key context to use.
  * \param md_alg   The message-digest algorithm used to hash the original data.
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 7b11e51..02925bc 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -2170,10 +2170,10 @@
  * \param own_cid     The address of the readable buffer holding the CID we want
  *                    the peer to use when sending encrypted messages to us.
  *                    This may be \c NULL if \p own_cid_len is \c 0.
- *                    This parameter is unused if \p enabled is set to
+ *                    This parameter is unused if \p enable is set to
  *                    MBEDTLS_SSL_CID_DISABLED.
  * \param own_cid_len The length of \p own_cid.
- *                    This parameter is unused if \p enabled is set to
+ *                    This parameter is unused if \p enable is set to
  *                    MBEDTLS_SSL_CID_DISABLED.
  *
  * \note              The value of \p own_cid_len must match the value of the
@@ -3124,8 +3124,8 @@
  *
  * \param session  The session structure to be saved.
  * \param buf      The buffer to write the serialized data to. It must be a
- *                 writeable buffer of at least \p len bytes, or may be \c
- *                 NULL if \p len is \c 0.
+ *                 writeable buffer of at least \p olen bytes, or may be \c
+ *                 NULL if \p olen is \c 0.
  * \param buf_len  The number of bytes available for writing in \p buf.
  * \param olen     The size in bytes of the data that has been or would have
  *                 been written. It must point to a valid \c size_t.
@@ -3266,7 +3266,7 @@
  *                      record headers.
  *
  * \return              \c 0 on success.
- * \return              #MBEDTLS_ERR_SSL_BAD_INPUT_DATA if \p own_cid_len
+ * \return              #MBEDTLS_ERR_SSL_BAD_INPUT_DATA if \p len
  *                      is too large.
  */
 int mbedtls_ssl_conf_cid(mbedtls_ssl_config *conf, size_t len,
diff --git a/include/mbedtls/x509.h b/include/mbedtls/x509.h
index 7c9a761..6e1f5b6 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -429,7 +429,7 @@
  * \param san_buf  The buffer holding the raw data item of the subject
  *                 alternative name.
  * \param san      The target structure to populate with the parsed presentation
- *                 of the subject alternative name encoded in \p san_raw.
+ *                 of the subject alternative name encoded in \p san_buf.
  *
  * \note           Supported GeneralName types, as defined in RFC 5280:
  *                 "rfc822Name", "dnsName", "directoryName",
@@ -439,7 +439,7 @@
  * \note           This function should be called on a single raw data of
  *                 subject alternative name. For example, after successful
  *                 certificate parsing, one must iterate on every item in the
- *                 \p crt->subject_alt_names sequence, and pass it to
+ *                 \c crt->subject_alt_names sequence, and pass it to
  *                 this function.
  *
  * \warning        The target structure contains pointers to the raw data of the