Document the EVP_PKEY_new_CMAC_key_with_libctx() function

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12637)

1 files changed, 35 insertions, 22 deletions

diff --git a/doc/man3/EVP_PKEY_new.pod b/doc/man3/EVP_PKEY_new.pod
index ff5744bebd..c008cfff40 100644
--- a/doc/man3/EVP_PKEY_new.pod
+++ b/doc/man3/EVP_PKEY_new.pod
@@ -9,6 +9,7 @@ EVP_PKEY_new_raw_private_key_with_libctx,
 EVP_PKEY_new_raw_private_key,
 EVP_PKEY_new_raw_public_key_with_libctx,
 EVP_PKEY_new_raw_public_key,
+EVP_PKEY_new_CMAC_key_with_libctx,
 EVP_PKEY_new_CMAC_key,
 EVP_PKEY_new_mac_key,
 EVP_PKEY_get_raw_private_key,
@@ -37,6 +38,11 @@ EVP_PKEY_get_raw_public_key
                                                    size_t keylen);
  EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
                                        const unsigned char *key, size_t keylen);
+ EVP_PKEY *EVP_PKEY_new_CMAC_key_with_libctx(const unsigned char *priv,
+                                             size_t len,
+                                             const char *cipher_name,
+                                             OPENSSL_CTX *libctx,
+                                             const char *propq);
  EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
                                  size_t len, const EVP_CIPHER *cipher);
  EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key,
@@ -53,10 +59,10 @@ The EVP_PKEY_new() function allocates an empty B<EVP_PKEY> structure which is
 used by OpenSSL to store public and private keys. The reference count is set to
 B<1>.
 
-EVP_PKEY_up_ref() increments the reference count of B<key>.
+EVP_PKEY_up_ref() increments the reference count of I<key>.
 
-EVP_PKEY_free() decrements the reference count of B<key> and, if the reference
-count is zero, frees it up. If B<key> is NULL, nothing is done.
+EVP_PKEY_free() decrements the reference count of I<key> and, if the reference
+count is zero, frees it up. If I<key> is NULL, nothing is done.
 
 EVP_PKEY_new_raw_private_key_with_libctx() allocates a new B<EVP_PKEY>. Unless
 an engine should be used for the key type, a provider for the key is found using
@@ -73,8 +79,8 @@ derived from the given private key data (if appropriate for the algorithm type).
 
 EVP_PKEY_new_raw_private_key() does the same as
 EVP_PKEY_new_raw_private_key_with_libctx() except that the default library
-context and default property query are used instead. If B<e> is non-NULL then
-the new B<EVP_PKEY> structure is associated with the engine B<e>. The B<type>
+context and default property query are used instead. If I<e> is non-NULL then
+the new B<EVP_PKEY> structure is associated with the engine I<e>. The I<type>
 argument indicates what kind of key this is. The value should be a NID for a
 public key algorithm that supports raw private keys, i.e. one of
 B<EVP_PKEY_POLY1305>, B<EVP_PKEY_SIPHASH>, B<EVP_PKEY_X25519>,
@@ -82,40 +88,46 @@ B<EVP_PKEY_ED25519>, B<EVP_PKEY_X448> or B<EVP_PKEY_ED448>. As for
 EVP_PKEY_new_raw_private_key_with_libctx() you may also use B<EVP_PKEY_HMAC>.
 
 EVP_PKEY_new_raw_public_key_with_libctx() works in the same way as
-EVP_PKEY_new_raw_private_key_with_libctx() except that B<key> points to the raw
+EVP_PKEY_new_raw_private_key_with_libctx() except that I<key> points to the raw
 public key data. The B<EVP_PKEY> structure will be initialised without any
 private key information. Algorithm types that support raw public keys are
 "X25519", "ED25519", "X448" or "ED448".
 
 EVP_PKEY_new_raw_public_key() works in the same way as
-EVP_PKEY_new_raw_private_key() except that B<key> points to the raw public key
+EVP_PKEY_new_raw_private_key() except that I<key> points to the raw public key
 data. The B<EVP_PKEY> structure will be initialised without any private key
 information. Algorithm types that support raw public keys are
 B<EVP_PKEY_X25519>, B<EVP_PKEY_ED25519>, B<EVP_PKEY_X448> or B<EVP_PKEY_ED448>.
 
-EVP_PKEY_new_CMAC_key() works in the same way as EVP_PKEY_new_raw_private_key()
-except it is only for the B<EVP_PKEY_CMAC> algorithm type. In addition to the
-raw private key data, it also takes a cipher algorithm to be used during
-creation of a CMAC in the B<cipher> argument. The cipher should be a standard
-encryption only cipher. For example AEAD and XTS ciphers should not be used.
+EVP_PKEY_new_CMAC_key_with_libctx() works in the same way as
+EVP_PKEY_new_raw_private_key() except it is only for the B<EVP_PKEY_CMAC>
+algorithm type. In addition to the raw private key data, it also takes a cipher
+algorithm to be used during creation of a CMAC in the I<cipher> argument. The
+cipher should be a standard encryption only cipher. For example AEAD and XTS
+ciphers should not be used. Finally it also take a library context I<libctx>
+and property query I<propq> used when fetching any cryptographic algorithms
+which may be NULL to use the default values.
+
+EVP_PKEY_new_CMAC_key() is the same as EVP_PKEY_new_CMAC_key_with_libctx()
+except that the default values are used for I<libctx> and I<propq>.
 
 EVP_PKEY_new_mac_key() works in the same way as EVP_PKEY_new_raw_private_key().
 New applications should use EVP_PKEY_new_raw_private_key() instead.
 
-EVP_PKEY_get_raw_private_key() fills the buffer provided by B<priv> with raw
-private key data. The size of the B<priv> buffer should be in B<*len> on entry
-to the function, and on exit B<*len> is updated with the number of bytes
-actually written. If the buffer B<priv> is NULL then B<*len> is populated with
+EVP_PKEY_get_raw_private_key() fills the buffer provided by I<priv> with raw
+private key data. The size of the I<priv> buffer should be in I<*len> on entry
+to the function, and on exit I<*len> is updated with the number of bytes
+actually written. If the buffer I<priv> is NULL then I<*len> is populated with
 the number of bytes required to hold the key. The calling application is
 responsible for ensuring that the buffer is large enough to receive the private
 key data. This function only works for algorithms that support raw private keys.
 Currently this is: B<EVP_PKEY_HMAC>, B<EVP_PKEY_POLY1305>, B<EVP_PKEY_SIPHASH>,
 B<EVP_PKEY_X25519>, B<EVP_PKEY_ED25519>, B<EVP_PKEY_X448> or B<EVP_PKEY_ED448>.
 
-EVP_PKEY_get_raw_public_key() fills the buffer provided by B<pub> with raw
-public key data. The size of the B<pub> buffer should be in B<*len> on entry
-to the function, and on exit B<*len> is updated with the number of bytes
-actually written. If the buffer B<pub> is NULL then B<*len> is populated with
+EVP_PKEY_get_raw_public_key() fills the buffer provided by I<pub> with raw
+public key data. The size of the I<pub> buffer should be in I<*len> on entry
+to the function, and on exit I<*len> is updated with the number of bytes
+actually written. If the buffer I<pub> is NULL then I<*len> is populated with
 the number of bytes required to hold the key. The calling application is
 responsible for ensuring that the buffer is large enough to receive the public
 key data. This function only works for algorithms that support raw public  keys.
@@ -158,8 +170,9 @@ EVP_PKEY_new_raw_private_key(), EVP_PKEY_new_raw_public_key(),
 EVP_PKEY_new_CMAC_key(), EVP_PKEY_new_raw_private_key() and
 EVP_PKEY_get_raw_public_key() functions were added in OpenSSL 1.1.1.
 
-The EVP_PKEY_new_raw_private_key_with_libctx and
-EVP_PKEY_new_raw_public_key_with_libctx functions were added in OpenSSL 3.0.
+The EVP_PKEY_new_raw_private_key_with_libctx(),
+EVP_PKEY_new_raw_public_key_with_libctx() and
+EVP_PKEY_new_CMAC_key_with_libctx()functions were added in OpenSSL 3.0.
 
 =head1 COPYRIGHT