From: Conrado Porto Lopes Gouvêa Date: Tue, 15 Mar 2016 16:32:38 +0000 (-0300) Subject: Update EVP_CIPHER_CTX_set_padding documentation. X-Git-Tag: OpenSSL_1_1_0-pre5~332 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=83f68df32f0067ee7b092f70568fc33e526fd4fd;p=oweals%2Fopenssl.git Update EVP_CIPHER_CTX_set_padding documentation. Add note about when EVP_CIPHER_CTX_set_padding should be called. Reviewed-by: Dr. Stephen Henson --- 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 or B 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 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 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 or B