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doc: update supported hash functions in chrony.conf man apge

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Miroslav Lichvar 2018-03-13 10:01:59 +01:00
parent 84be834385
commit e7b6feb34b
1 changed files with 12 additions and 6 deletions
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18
doc/chrony.conf.adoc
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@ -2007,12 +2007,18 @@ format of the file is shown below:
+ +
Each line consists of an ID, name of an authentication hash function (optional), Each line consists of an ID, name of an authentication hash function (optional),
and a password. The ID can be any unsigned integer in the range 1 through and a password. The ID can be any unsigned integer in the range 1 through
2^32-1. The default hash function is *MD5*. Depending on how *chronyd* 2^32-1. The default hash function is *MD5*, which is always supported.
was compiled, other supported functions might be *SHA1*, *SHA256*, *SHA384*, +
*SHA512*, *RMD128*, *RMD160*, *RMD256*, *RMD320*, *TIGER*, and *WHIRLPOOL*. The If *chronyd* was built with enabled support for hashing using a crypto library
password can be specified as a string of characters not containing white space (nettle, nss, or libtomcrypt), the following functions are available: *MD5*,
with an optional *ASCII:* prefix, or as a hexadecimal number with the *HEX:* *SHA1*, *SHA256*, *SHA384*, *SHA512*. Depending on which library and version is
prefix. The maximum length of the line is 2047 characters. *chronyd* using, some or all of the following functions may also be available:
*SHA3-224*, *SHA3-256*, *SHA3-384*, *SHA3-512*, *RMD128*, *RMD160*, *RMD256*,
*RMD320*, *TIGER*, *WHIRLPOOL*.
+
The password can be specified as a string of characters not containing white
space with an optional *ASCII:* prefix, or as a hexadecimal number with the
*HEX:* prefix. The maximum length of the line is 2047 characters.
+ +
The password is used with the hash function to generate and verify a message The password is used with the hash function to generate and verify a message
authentication code (MAC) in NTP packets. It is recommended to use SHA1, or authentication code (MAC) in NTP packets. It is recommended to use SHA1, or