Misc BN fixes

[oweals/openssl.git] / doc / crypto / EVP_EncryptInit.pod

diff --git a/doc/crypto/EVP_EncryptInit.pod b/doc/crypto/EVP_EncryptInit.pod
index 526447c0a61749961821c030a4f1c1cea9bd1eb4..d9513338d8aacb422f73880f2a6767e784ac1e93 100644 (file)
--- a/doc/crypto/EVP_EncryptInit.pod
+++ b/doc/crypto/EVP_EncryptInit.pod
@@ -111,7 +111,7 @@ EVP_CIPHER_CTX_init() initializes cipher contex B<ctx>.
 EVP_EncryptInit_ex() sets up cipher context B<ctx> for encryption
 with cipher B<type> from ENGINE B<impl>. B<ctx> must be initialized
 before calling this function. B<type> is normally supplied
-by a function such as EVP_des_cbc(). If B<impl> is NULL then the
+by a function such as EVP_aes_256_cbc(). If B<impl> is NULL then the
 default implementation is used. B<key> is the symmetric key to use
 and B<iv> is the IV to use (if necessary), the actual number of bytes
 used for the key and IV depends on the cipher. It is possible to set
@@ -125,7 +125,7 @@ writes the encrypted version to B<out>. This function can be called
 multiple times to encrypt successive blocks of data. The amount
 of data written depends on the block alignment of the encrypted data:
 as a result the amount of data written may be anything from zero bytes
-to (inl + cipher_block_size - 1) so B<outl> should contain sufficient
+to (inl + cipher_block_size - 1) so B<out> should contain sufficient
 room. The actual number of bytes written is placed in B<outl>.
 
 If padding is enabled (the default) then EVP_EncryptFinal_ex() encrypts
@@ -165,10 +165,11 @@ similar way to EVP_EncryptInit_ex(), EVP_DecryptInit_ex and
 EVP_CipherInit_ex() except the B<ctx> parameter does not need to be
 initialized and they always use the default cipher implementation.
 
-EVP_EncryptFinal(), EVP_DecryptFinal() and EVP_CipherFinal() behave in a
-similar way to EVP_EncryptFinal_ex(), EVP_DecryptFinal_ex() and
-EVP_CipherFinal_ex() except B<ctx> is automatically cleaned up 
-after the call.
+EVP_EncryptFinal(), EVP_DecryptFinal() and EVP_CipherFinal() are
+identical to EVP_EncryptFinal_ex(), EVP_DecryptFinal_ex() and
+EVP_CipherFinal_ex(). In previous releases they also cleaned up
+the B<ctx>, but this is no longer done and EVP_CIPHER_CTX_clean()
+must be called to free any context resources.
 
 EVP_get_cipherbyname(), EVP_get_cipherbynid() and EVP_get_cipherbyobj()
 return an EVP_CIPHER structure when passed a cipher name, a NID or an