doc: document the additional params argument to the various init() calls

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14383)

1 files changed, 4 insertions, 2 deletions

diff --git a/doc/man7/provider-cipher.pod b/doc/man7/provider-cipher.pod
index 133ee07d67..13ec95568c 100644
--- a/doc/man7/provider-cipher.pod
+++ b/doc/man7/provider-cipher.pod
@@ -25,10 +25,10 @@ provider-cipher - The cipher library E<lt>-E<gt> provider functions
  /* Encryption/decryption */
  int OSSL_FUNC_cipher_encrypt_init(void *cctx, const unsigned char *key,
                                    size_t keylen, const unsigned char *iv,
-                                   size_t ivlen);
+                                   size_t ivlen, const OSSL_PARAM params[]);
  int OSSL_FUNC_cipher_decrypt_init(void *cctx, const unsigned char *key,
                                    size_t keylen, const unsigned char *iv,
-                                   size_t ivlen);
+                                   size_t ivlen, const OSSL_PARAM params[]);
  int OSSL_FUNC_cipher_update(void *cctx, unsigned char *out, size_t *outl,
                              size_t outsize, const unsigned char *in, size_t inl);
  int OSSL_FUNC_cipher_final(void *cctx, unsigned char *out, size_t *outl,
@@ -129,6 +129,8 @@ OSSL_FUNC_cipher_encrypt_init() initialises a cipher operation for encryption gi
 newly created provider side cipher context in the I<cctx> parameter.
 The key to be used is given in I<key> which is I<keylen> bytes long.
 The IV to be used is given in I<iv> which is I<ivlen> bytes long.
+The I<params>, if not NULL, should be set on the context in a manner similar to
+using OSSL_FUNC_cipher_set_ctx_params().
 
 OSSL_FUNC_cipher_decrypt_init() is the same as OSSL_FUNC_cipher_encrypt_init() except that it
 initialises the context for a decryption operation.