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update b3sum/README.md

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oconnor663 committed Mar 16, 2020
1 parent a0355ba commit 470d42a05a130216395e7b91c36d7c0a76519d29
Showing with 13 additions and 5 deletions.
  1. +13 −5 b3sum/README.md
@@ -12,16 +12,24 @@ USAGE:
FLAGS:
-h, --help Prints help information
--keyed Uses the keyed mode, with the raw 32-byte key read from stdin
--keyed Uses the keyed mode. The secret key is read from standard
input, and it must be exactly 32 raw bytes.
--no-mmap Disables memory mapping
--no-names Omits filenames in the output
--raw Writes raw output bytes to stdout, rather than hex. --no-names is implied.
In this case, only a single input is allowed
--raw Writes raw output bytes to stdout, rather than hex.
--no-names is implied. In this case, only a single
input is allowed.
-V, --version Prints version information
OPTIONS:
--derive-key <CONTEXT> Uses the key derivation mode, with the input as key material
-l, --length <LEN> The number of output bytes, prior to hex encoding (default 32)
--derive-key <CONTEXT> Uses the key derivation mode, with the given
context string. Cannot be used with --keyed.
-l, --length <LEN> The number of output bytes, prior to hex
encoding (default 32)
--num-threads <NUM> The maximum number of threads to use. By
default, this is the number of logical cores.
If this flag is omitted, or if its value is 0,
RAYON_NUM_THREADS is also respected.
ARGS:
<file>...

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