diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/crypto/EVP_EncryptInit.pod | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/crypto/EVP_EncryptInit.pod b/doc/crypto/EVP_EncryptInit.pod index f064d672a7..1b39e83961 100644 --- a/doc/crypto/EVP_EncryptInit.pod +++ b/doc/crypto/EVP_EncryptInit.pod @@ -194,12 +194,14 @@ passed an B<EVP_CIPHER> or B<EVP_CIPHER_CTX> structure. The actual NID value is an internal value which may not have a corresponding OBJECT IDENTIFIER. -EVP_CIPHER_CTX_set_padding() enables or disables padding. By default -encryption operations are padded using standard block padding and the -padding is checked and removed when decrypting. If the B<pad> parameter -is zero then no padding is performed, the total amount of data encrypted -or decrypted must then be a multiple of the block size or an error will -occur. +EVP_CIPHER_CTX_set_padding() enables or disables padding. This +function should be called after the context is set up for encryption +or decryption with EVP_EncryptInit_ex(), EVP_DecryptInit_ex() or +EVP_CipherInit_ex(). By default encryption operations are padded using +standard block padding and the padding is checked and removed when +decrypting. If the B<pad> parameter is zero then no padding is +performed, the total amount of data encrypted or decrypted must then +be a multiple of the block size or an error will occur. EVP_CIPHER_key_length() and EVP_CIPHER_CTX_key_length() return the key length of a cipher when passed an B<EVP_CIPHER> or B<EVP_CIPHER_CTX> |