Why a flip a bin before hashing in this script?
up vote
2
down vote
favorite
From How can I make this PHP merkle root script recursive?
function binFlipByteOrder($string) {
return implode('', array_reverse(str_split($string, 1)));
}
Why a flip?
blockchain php
edited Nov 27 at 0:42
Glorfindel
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
add a comment |
up vote
2
down vote
favorite
From How can I make this PHP merkle root script recursive?
function binFlipByteOrder($string) {
return implode('', array_reverse(str_split($string, 1)));
}
Why a flip?
blockchain php
edited Nov 27 at 0:42
Glorfindel
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
add a comment |
up vote
2
down vote
favorite
up vote
2
down vote
favorite
From How can I make this PHP merkle root script recursive?
function binFlipByteOrder($string) {
return implode('', array_reverse(str_split($string, 1)));
}
Why a flip?
blockchain php
edited Nov 27 at 0:42
Glorfindel
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
From How can I make this PHP merkle root script recursive?
function binFlipByteOrder($string) {
return implode('', array_reverse(str_split($string, 1)));
}
Why a flip?
blockchain php
blockchain php
edited Nov 27 at 0:42
Glorfindel
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
edited Nov 27 at 0:42
Glorfindel
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
edited Nov 27 at 0:42
Glorfindel
2401412
edited Nov 27 at 0:42
Glorfindel
2401412
edited Nov 27 at 0:42
Glorfindel
2401412
2401412
asked Nov 26 at 15:08
Nicolas Cantu
135
asked Nov 26 at 15:08
Nicolas Cantu
135
asked Nov 26 at 15:08
Nicolas Cantu
135
135
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
up vote
3
down vote
accepted
Hashes are big endian by standard, and most computers use little endian, so it's probably just for convenience. See Why does the Bitcoin protocol use the little-endian notation?
answered Nov 26 at 15:28
JBaczuk
3,6641321
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
accepted
Hashes are big endian by standard, and most computers use little endian, so it's probably just for convenience. See Why does the Bitcoin protocol use the little-endian notation?
answered Nov 26 at 15:28
JBaczuk
3,6641321
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
add a comment |
up vote
3
down vote
accepted
Hashes are big endian by standard, and most computers use little endian, so it's probably just for convenience. See Why does the Bitcoin protocol use the little-endian notation?
answered Nov 26 at 15:28
JBaczuk
3,6641321
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
add a comment |
up vote
3
down vote
accepted
up vote
3
down vote
accepted
Hashes are big endian by standard, and most computers use little endian, so it's probably just for convenience. See Why does the Bitcoin protocol use the little-endian notation?
answered Nov 26 at 15:28
JBaczuk
3,6641321
Hashes are big endian by standard, and most computers use little endian, so it's probably just for convenience. See Why does the Bitcoin protocol use the little-endian notation?
answered Nov 26 at 15:28
JBaczuk
3,6641321
answered Nov 26 at 15:28
JBaczuk
3,6641321
answered Nov 26 at 15:28
JBaczuk
3,6641321
answered Nov 26 at 15:28
JBaczuk
3,6641321
3,6641321
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
add a comment |
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
Ok thanks you! (I suspected the Lilliputians..)
– Nicolas Cantu
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
haha they are alive and well in Bitcoin... :)
– JBaczuk
Nov 26 at 15:37
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
Of course it's a little big part of Internet (Cohen) and a community story :) So they are well in Bitcoin :)
– Nicolas Cantu
Nov 27 at 0:26
add a comment |
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