Difference between pages "1ceaf73df40e531df3bfb26b4fb7cd95fb7bff1d" and "5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5"

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m (Created page with '5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5 is the SHA1 of a block of 512 NULL bytes: <pre> $ dd if=/dev/zero of=512b bs=512 count=1 1+0 records in 1+0 records out 512 bytes transf…')
 
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1ceaf73df40e531df3bfb26b4fb7cd95fb7bff1d is the SHA-1 for a block of 4096 NULL bytes:
+
5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5 is the SHA1 of a block of 512 NULL bytes:
  
 
<pre>
 
<pre>
$ dd if=/dev/zero of=4k bs=4096 count=1
+
$ dd if=/dev/zero of=512b bs=512 count=1
 
1+0 records in
 
1+0 records in
 
1+0 records out
 
1+0 records out
4096 bytes transferred in 0.000059 secs (69273666 bytes/sec)
+
512 bytes transferred in 0.000054 secs (9502140 bytes/sec)
$ sha1 4k
+
$ sha1 512b
 
filename  size                    SHA1                   
 
filename  size                    SHA1                   
 
========================================================
 
========================================================
4k 4096 1ceaf73df40e531df3bfb26b4fb7cd95fb7bff1d
+
512b 512 5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5
 
</pre>
 
</pre>

Latest revision as of 10:59, 10 February 2010

5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5 is the SHA1 of a block of 512 NULL bytes:

$ dd if=/dev/zero of=512b bs=512 count=1
1+0 records in
1+0 records out
512 bytes transferred in 0.000054 secs (9502140 bytes/sec)
$ sha1 512b
filename  size                    SHA1                  
========================================================
512b  512  5c3eb80066420002bc3dcc7ca4ab6efad7ed4ae5