From 4fef4981f8cc614559b86a06532b0eeac6ffd0d9 Mon Sep 17 00:00:00 2001 From: Ԝеѕ <5124946+wesinator@users.noreply.github.com> Date: Fri, 5 Oct 2018 14:58:30 -0400 Subject: Cleanup typos and grammar in DES_random_key.pod CLA: trivial Reviewed-by: Paul Dale Reviewed-by: Matthias St. Pierre (Merged from https://github.com/openssl/openssl/pull/7356) --- doc/man3/DES_random_key.pod | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) (limited to 'doc/man3/DES_random_key.pod') diff --git a/doc/man3/DES_random_key.pod b/doc/man3/DES_random_key.pod index f543bea1ee..6e0394d637 100644 --- a/doc/man3/DES_random_key.pod +++ b/doc/man3/DES_random_key.pod @@ -99,7 +99,7 @@ algorithm. There are two phases to the use of DES encryption. The first is the generation of a I from a key, the second is the -actual encryption. A DES key is of type I. This type is +actual encryption. A DES key is of type I. This type consists of 8 bytes with odd parity. The least significant bit in each byte is the parity bit. The key schedule is an expanded form of the key; it is used to speed the encryption process. @@ -170,42 +170,42 @@ of 24 bytes. This is much better than CBC DES. DES_ede3_cbc_encrypt() implements outer triple CBC DES encryption with three keys. This means that each DES operation inside the CBC mode is -an C. This mode is used by SSL. +C. This mode is used by SSL. The DES_ede2_cbc_encrypt() macro implements two-key Triple-DES by reusing I for the final encryption. C. This form of Triple-DES is used by the RSAREF library. -DES_pcbc_encrypt() encrypt/decrypts using the propagating cipher block +DES_pcbc_encrypt() encrypts/decrypts using the propagating cipher block chaining mode used by Kerberos v4. Its parameters are the same as DES_ncbc_encrypt(). -DES_cfb_encrypt() encrypt/decrypts using cipher feedback mode. This -method takes an array of characters as input and outputs and array of +DES_cfb_encrypt() encrypts/decrypts using cipher feedback mode. This +method takes an array of characters as input and outputs an array of characters. It does not require any padding to 8 character groups. Note: the I variable is changed and the new changed value needs to be passed to the next call to this function. Since this function runs a complete DES ECB encryption per I, this function is only -suggested for use when sending small numbers of characters. +suggested for use when sending a small number of characters. DES_cfb64_encrypt() -implements CFB mode of DES with 64bit feedback. Why is this +implements CFB mode of DES with 64-bit feedback. Why is this useful you ask? Because this routine will allow you to encrypt an -arbitrary number of bytes, no 8 byte padding. Each call to this +arbitrary number of bytes, without 8 byte padding. Each call to this routine will encrypt the input bytes to output and then update ivec and num. num contains 'how far' we are though ivec. If this does -not make much sense, read more about cfb mode of DES :-). +not make much sense, read more about CFB mode of DES. DES_ede3_cfb64_encrypt() and DES_ede2_cfb64_encrypt() is the same as DES_cfb64_encrypt() except that Triple-DES is used. DES_ofb_encrypt() encrypts using output feedback mode. This method -takes an array of characters as input and outputs and array of +takes an array of characters as input and outputs an array of characters. It does not require any padding to 8 character groups. Note: the I variable is changed and the new changed value needs to be passed to the next call to this function. Since this function runs -a complete DES ECB encryption per numbits, this function is only -suggested for use when sending small numbers of characters. +a complete DES ECB encryption per I, this function is only +suggested for use when sending a small number of characters. DES_ofb64_encrypt() is the same as DES_cfb64_encrypt() using Output Feed Back mode. @@ -232,10 +232,10 @@ The following are DES-based transformations: DES_fcrypt() is a fast version of the Unix crypt(3) function. This version takes only a small amount of space relative to other fast -crypt() implementations. This is different to the normal crypt in +crypt() implementations. This is different to the normal crypt() in that the third parameter is the buffer that the return value is written into. It needs to be at least 14 bytes long. This function -is thread safe, unlike the normal crypt. +is thread safe, unlike the normal crypt(). DES_crypt() is a faster replacement for the normal system crypt(). This function calls DES_fcrypt() with a static array passed as the -- cgit v1.2.3