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update b3sum/README.md

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Jack O'Connor 2020-03-16 12:26:16 -04:00
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b3sum/README.md
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@ -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>...