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"use strict" ; var sjcl = { cipher : { } , hash : { } , keyexchange : { } , mode : { } , misc : { } , codec : { } , exception : { corrupt : function ( a ) { this . toString = function ( ) { return "CORRUPT: " + this . message } ; this . message = a } , invalid : function ( a ) { this . toString = function ( ) { return "INVALID: " + this . message } ; this . message = a } , bug : function ( a ) { this . toString = function ( ) { return "BUG: " + this . message } ; this . message = a } , notReady : function ( a ) { this . toString = function ( ) { return "NOT READY: " + this . message } ; this . message = a } } } ;
if ( typeof module != "undefined" && module . exports ) module . exports = sjcl ;
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sjcl . cipher . aes = function ( a ) { this . i [ 0 ] [ 0 ] [ 0 ] || this . B ( ) ; var b , c , d , e , f = this . i [ 0 ] [ 4 ] , g = this . i [ 1 ] ; b = a . length ; var h = 1 ; if ( b !== 4 && b !== 6 && b !== 8 ) throw new sjcl . exception . invalid ( "invalid aes key size" ) ; this . a = [ d = a . slice ( 0 ) , e = [ ] ] ; for ( a = b ; a < 4 * b + 28 ; a ++ ) { c = d [ a - 1 ] ; if ( a % b === 0 || b === 8 && a % b === 4 ) { c = f [ c >>> 24 ] << 24 ^ f [ c >> 16 & 255 ] << 16 ^ f [ c >> 8 & 255 ] << 8 ^ f [ c & 255 ] ; if ( a % b === 0 ) { c = c << 8 ^ c >>> 24 ^ h << 24 ; h = h << 1 ^ ( h >> 7 ) * 283 } } d [ a ] = d [ a - b ] ^ c } for ( b = 0 ; a ; b ++ , a -- ) { c = d [ b & 3 ? a : a - 4 ] ; e [ b ] = a <= 4 || b < 4 ? c : g [ 0 ] [ f [ c >>> 24 ] ] ^ g [ 1 ] [ f [ c >> 16 & 255 ] ] ^ g [ 2 ] [ f [ c >> 8 & 255 ] ] ^
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g [ 3 ] [ f [ c & 255 ] ] } } ;
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sjcl . cipher . aes . prototype = { encrypt : function ( a ) { return this . K ( a , 0 ) } , decrypt : function ( a ) { return this . K ( a , 1 ) } , i : [ [ [ ] , [ ] , [ ] , [ ] , [ ] ] , [ [ ] , [ ] , [ ] , [ ] , [ ] ] ] , B : function ( ) { var a = this . i [ 0 ] , b = this . i [ 1 ] , c = a [ 4 ] , d = b [ 4 ] , e , f , g , h = [ ] , i = [ ] , j , k , l , m ; for ( e = 0 ; e < 0x100 ; e ++ ) i [ ( h [ e ] = e << 1 ^ ( e >> 7 ) * 283 ) ^ e ] = e ; for ( f = g = 0 ; ! c [ f ] ; f ^= j || 1 , g = i [ g ] || 1 ) { l = g ^ g << 1 ^ g << 2 ^ g << 3 ^ g << 4 ; l = l >> 8 ^ l & 255 ^ 99 ; c [ f ] = l ; d [ l ] = f ; k = h [ e = h [ j = h [ f ] ] ] ; m = k * 0x1010101 ^ e * 0x10001 ^ j * 0x101 ^ f * 0x1010100 ; k = h [ l ] * 0x101 ^ l * 0x1010100 ; for ( e = 0 ; e < 4 ; e ++ ) { a [ e ] [ f ] = k = k << 24 ^ k >>> 8 ; b [ e ] [ l ] = m = m << 24 ^ m >>> 8 } } for ( e =
0 ; e < 5 ; e ++ ) { a [ e ] = a [ e ] . slice ( 0 ) ; b [ e ] = b [ e ] . slice ( 0 ) } } , K : function ( a , b ) { if ( a . length !== 4 ) throw new sjcl . exception . invalid ( "invalid aes block size" ) ; var c = this . a [ b ] , d = a [ 0 ] ^ c [ 0 ] , e = a [ b ? 3 : 1 ] ^ c [ 1 ] , f = a [ 2 ] ^ c [ 2 ] ; a = a [ b ? 1 : 3 ] ^ c [ 3 ] ; var g , h , i , j = c . length / 4 - 2 , k , l = 4 , m = [ 0 , 0 , 0 , 0 ] ; g = this . i [ b ] ; var n = g [ 0 ] , o = g [ 1 ] , p = g [ 2 ] , q = g [ 3 ] , r = g [ 4 ] ; for ( k = 0 ; k < j ; k ++ ) { g = n [ d >>> 24 ] ^ o [ e >> 16 & 255 ] ^ p [ f >> 8 & 255 ] ^ q [ a & 255 ] ^ c [ l ] ; h = n [ e >>> 24 ] ^ o [ f >> 16 & 255 ] ^ p [ a >> 8 & 255 ] ^ q [ d & 255 ] ^ c [ l + 1 ] ; i = n [ f >>> 24 ] ^ o [ a >> 16 & 255 ] ^ p [ d >> 8 & 255 ] ^ q [ e & 255 ] ^ c [ l + 2 ] ; a = n [ a >>> 24 ] ^ o [ d >> 16 &
255 ] ^ p [ e >> 8 & 255 ] ^ q [ f & 255 ] ^ c [ l + 3 ] ; l += 4 ; d = g ; e = h ; f = i } for ( k = 0 ; k < 4 ; k ++ ) { m [ b ? 3 & - k : k ] = r [ d >>> 24 ] << 24 ^ r [ e >> 16 & 255 ] << 16 ^ r [ f >> 8 & 255 ] << 8 ^ r [ a & 255 ] ^ c [ l ++ ] ; g = d ; d = e ; e = f ; f = a ; a = g } return m } } ;
sjcl . bitArray = { bitSlice : function ( a , b , c ) { a = sjcl . bitArray . Q ( a . slice ( b / 32 ) , 32 - ( b & 31 ) ) . slice ( 1 ) ; return c === undefined ? a : sjcl . bitArray . clamp ( a , c - b ) } , extract : function ( a , b , c ) { var d = Math . floor ( - b - c & 31 ) ; return ( ( b + c - 1 ^ b ) & - 32 ? a [ b / 32 | 0 ] << 32 - d ^ a [ b / 32 + 1 | 0 ] >>> d : a [ b / 32 | 0 ] >>> d ) & ( 1 << c ) - 1 } , concat : function ( a , b ) { if ( a . length === 0 || b . length === 0 ) return a . concat ( b ) ; var c = a [ a . length - 1 ] , d = sjcl . bitArray . getPartial ( c ) ; return d === 32 ? a . concat ( b ) : sjcl . bitArray . Q ( b , d , c | 0 , a . slice ( 0 , a . length - 1 ) ) } , bitLength : function ( a ) { var b = a . length ;
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if ( b === 0 ) return 0 ; return ( b - 1 ) * 32 + sjcl . bitArray . getPartial ( a [ b - 1 ] ) } , clamp : function ( a , b ) { if ( a . length * 32 < b ) return a ; a = a . slice ( 0 , Math . ceil ( b / 32 ) ) ; var c = a . length ; b &= 31 ; if ( c > 0 && b ) a [ c - 1 ] = sjcl . bitArray . partial ( b , a [ c - 1 ] & 2147483648 >> b - 1 , 1 ) ; return a } , partial : function ( a , b , c ) { if ( a === 32 ) return b ; return ( c ? b | 0 : b << 32 - a ) + a * 0x10000000000 } , getPartial : function ( a ) { return Math . round ( a / 0x10000000000 ) || 32 } , equal : function ( a , b ) { if ( sjcl . bitArray . bitLength ( a ) !== sjcl . bitArray . bitLength ( b ) ) return false ; var c = 0 , d ; for ( d = 0 ; d < a . length ; d ++ ) c |=
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a [ d ] ^ b [ d ] ; return c === 0 } , Q : function ( a , b , c , d ) { var e ; e = 0 ; if ( d === undefined ) d = [ ] ; for ( ; b >= 32 ; b -= 32 ) { d . push ( c ) ; c = 0 } if ( b === 0 ) return d . concat ( a ) ; for ( e = 0 ; e < a . length ; e ++ ) { d . push ( c | a [ e ] >>> b ) ; c = a [ e ] << 32 - b } e = a . length ? a [ a . length - 1 ] : 0 ; a = sjcl . bitArray . getPartial ( e ) ; d . push ( sjcl . bitArray . partial ( b + a & 31 , b + a > 32 ? c : d . pop ( ) , 1 ) ) ; return d } , j : function ( a , b ) { return [ a [ 0 ] ^ b [ 0 ] , a [ 1 ] ^ b [ 1 ] , a [ 2 ] ^ b [ 2 ] , a [ 3 ] ^ b [ 3 ] ] } } ;
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sjcl . codec . utf8String = { fromBits : function ( a ) { var b = "" , c = sjcl . bitArray . bitLength ( a ) , d , e ; for ( d = 0 ; d < c / 8 ; d ++ ) { if ( ( d & 3 ) === 0 ) e = a [ d / 4 ] ; b += String . fromCharCode ( e >>> 24 ) ; e <<= 8 } return decodeURIComponent ( escape ( b ) ) } , toBits : function ( a ) { a = unescape ( encodeURIComponent ( a ) ) ; var b = [ ] , c , d = 0 ; for ( c = 0 ; c < a . length ; c ++ ) { d = d << 8 | a . charCodeAt ( c ) ; if ( ( c & 3 ) === 3 ) { b . push ( d ) ; d = 0 } } c & 3 && b . push ( sjcl . bitArray . partial ( 8 * ( c & 3 ) , d ) ) ; return b } } ;
sjcl . codec . hex = { fromBits : function ( a ) { var b = "" , c ; for ( c = 0 ; c < a . length ; c ++ ) b += ( ( a [ c ] | 0 ) + 0xf00000000000 ) . toString ( 16 ) . substr ( 4 ) ; return b . substr ( 0 , sjcl . bitArray . bitLength ( a ) / 4 ) } , toBits : function ( a ) { var b , c = [ ] , d ; a = a . replace ( /\s|0x/g , "" ) ; d = a . length ; a += "00000000" ; for ( b = 0 ; b < a . length ; b += 8 ) c . push ( parseInt ( a . substr ( b , 8 ) , 16 ) ^ 0 ) ; return sjcl . bitArray . clamp ( c , d * 4 ) } } ;
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sjcl . codec . base64 = { H : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" , fromBits : function ( a , b , c ) { var d = "" , e = 0 , f = sjcl . codec . base64 . H , g = 0 , h = sjcl . bitArray . bitLength ( a ) ; if ( c ) f = f . substr ( 0 , 62 ) + "-_" ; for ( c = 0 ; d . length * 6 < h ; ) { d += f . charAt ( ( g ^ a [ c ] >>> e ) >>> 26 ) ; if ( e < 6 ) { g = a [ c ] << 6 - e ; e += 26 ; c ++ } else { g <<= 6 ; e -= 6 } } for ( ; d . length & 3 && ! b ; ) d += "=" ; return d } , toBits : function ( a , b ) { a = a . replace ( /\s|=/g , "" ) ; var c = [ ] , d = 0 , e = sjcl . codec . base64 . H , f = 0 , g ; if ( b ) e = e . substr ( 0 , 62 ) + "-_" ; for ( b = 0 ; b < a . length ; b ++ ) { g = e . indexOf ( a . charAt ( b ) ) ;
if ( g < 0 ) throw new sjcl . exception . invalid ( "this isn't base64!" ) ; if ( d > 26 ) { d -= 26 ; c . push ( f ^ g >>> d ) ; f = g << 32 - d } else { d += 6 ; f ^= g << 32 - d } } d & 56 && c . push ( sjcl . bitArray . partial ( d & 56 , f , 1 ) ) ; return c } } ; sjcl . codec . base64url = { fromBits : function ( a ) { return sjcl . codec . base64 . fromBits ( a , 1 , 1 ) } , toBits : function ( a ) { return sjcl . codec . base64 . toBits ( a , 1 ) } } ; sjcl . hash . sha256 = function ( a ) { this . a [ 0 ] || this . B ( ) ; if ( a ) { this . p = a . p . slice ( 0 ) ; this . k = a . k . slice ( 0 ) ; this . f = a . f } else this . reset ( ) } ; sjcl . hash . sha256 . hash = function ( a ) { return ( new sjcl . hash . sha256 ) . update ( a ) . finalize ( ) } ;
sjcl . hash . sha256 . prototype = { blockSize : 512 , reset : function ( ) { this . p = this . O . slice ( 0 ) ; this . k = [ ] ; this . f = 0 ; return this } , update : function ( a ) { if ( typeof a === "string" ) a = sjcl . codec . utf8String . toBits ( a ) ; var b , c = this . k = sjcl . bitArray . concat ( this . k , a ) ; b = this . f ; a = this . f = b + sjcl . bitArray . bitLength ( a ) ; for ( b = 512 + b & - 512 ; b <= a ; b += 512 ) this . G ( c . splice ( 0 , 16 ) ) ; return this } , finalize : function ( ) { var a , b = this . k , c = this . p ; b = sjcl . bitArray . concat ( b , [ sjcl . bitArray . partial ( 1 , 1 ) ] ) ; for ( a = b . length + 2 ; a & 15 ; a ++ ) b . push ( 0 ) ; b . push ( Math . floor ( this . f /
4294967296 ) ) ; for ( b . push ( this . f | 0 ) ; b . length ; ) this . G ( b . splice ( 0 , 16 ) ) ; this . reset ( ) ; return c } , O : [ ] , a : [ ] , B : function ( ) { function a ( e ) { return ( e - Math . floor ( e ) ) * 0x100000000 | 0 } var b = 0 , c = 2 , d ; a : for ( ; b < 64 ; c ++ ) { for ( d = 2 ; d * d <= c ; d ++ ) if ( c % d === 0 ) continue a ; if ( b < 8 ) this . O [ b ] = a ( Math . pow ( c , 0.5 ) ) ; this . a [ b ] = a ( Math . pow ( c , 1 / 3 ) ) ; b ++ } } , G : function ( a ) { var b , c , d = a . slice ( 0 ) , e = this . p , f = this . a , g = e [ 0 ] , h = e [ 1 ] , i = e [ 2 ] , j = e [ 3 ] , k = e [ 4 ] , l = e [ 5 ] , m = e [ 6 ] , n = e [ 7 ] ; for ( a = 0 ; a < 64 ; a ++ ) { if ( a < 16 ) b = d [ a ] ; else { b = d [ a + 1 & 15 ] ; c = d [ a + 14 & 15 ] ; b = d [ a & 15 ] = ( b >>> 7 ^ b >>> 18 ^
b >>> 3 ^ b << 25 ^ b << 14 ) + ( c >>> 17 ^ c >>> 19 ^ c >>> 10 ^ c << 15 ^ c << 13 ) + d [ a & 15 ] + d [ a + 9 & 15 ] | 0 } b = b + n + ( k >>> 6 ^ k >>> 11 ^ k >>> 25 ^ k << 26 ^ k << 21 ^ k << 7 ) + ( m ^ k & ( l ^ m ) ) + f [ a ] ; n = m ; m = l ; l = k ; k = j + b | 0 ; j = i ; i = h ; h = g ; g = b + ( h & i ^ j & ( h ^ i ) ) + ( h >>> 2 ^ h >>> 13 ^ h >>> 22 ^ h << 30 ^ h << 19 ^ h << 10 ) | 0 } e [ 0 ] = e [ 0 ] + g | 0 ; e [ 1 ] = e [ 1 ] + h | 0 ; e [ 2 ] = e [ 2 ] + i | 0 ; e [ 3 ] = e [ 3 ] + j | 0 ; e [ 4 ] = e [ 4 ] + k | 0 ; e [ 5 ] = e [ 5 ] + l | 0 ; e [ 6 ] = e [ 6 ] + m | 0 ; e [ 7 ] = e [ 7 ] + n | 0 } } ;
sjcl . mode . ccm = { name : "ccm" , encrypt : function ( a , b , c , d , e ) { var f , g = b . slice ( 0 ) , h = sjcl . bitArray , i = h . bitLength ( c ) / 8 , j = h . bitLength ( g ) / 8 ; e = e || 64 ; d = d || [ ] ; if ( i < 7 ) throw new sjcl . exception . invalid ( "ccm: iv must be at least 7 bytes" ) ; for ( f = 2 ; f < 4 && j >>> 8 * f ; f ++ ) ; if ( f < 15 - i ) f = 15 - i ; c = h . clamp ( c , 8 * ( 15 - f ) ) ; b = sjcl . mode . ccm . J ( a , b , c , d , e , f ) ; g = sjcl . mode . ccm . l ( a , g , c , b , e , f ) ; return h . concat ( g . data , g . tag ) } , decrypt : function ( a , b , c , d , e ) { e = e || 64 ; d = d || [ ] ; var f = sjcl . bitArray , g = f . bitLength ( c ) / 8 , h = f . bitLength ( b ) , i = f . clamp ( b , h - e ) , j = f . bitSlice ( b ,
h - e ) ; h = ( h - e ) / 8 ; if ( g < 7 ) throw new sjcl . exception . invalid ( "ccm: iv must be at least 7 bytes" ) ; for ( b = 2 ; b < 4 && h >>> 8 * b ; b ++ ) ; if ( b < 15 - g ) b = 15 - g ; c = f . clamp ( c , 8 * ( 15 - b ) ) ; i = sjcl . mode . ccm . l ( a , i , c , j , e , b ) ; a = sjcl . mode . ccm . J ( a , i . data , c , d , e , b ) ; if ( ! f . equal ( i . tag , a ) ) throw new sjcl . exception . corrupt ( "ccm: tag doesn't match" ) ; return i . data } , J : function ( a , b , c , d , e , f ) { var g = [ ] , h = sjcl . bitArray , i = h . j ; e /= 8 ; if ( e % 2 || e < 4 || e > 16 ) throw new sjcl . exception . invalid ( "ccm: invalid tag length" ) ; if ( d . length > 0xffffffff || b . length > 0xffffffff ) throw new sjcl . exception . bug ( "ccm: can't deal with 4GiB or more data" ) ;
f = [ h . partial ( 8 , ( d . length ? 64 : 0 ) | e - 2 << 2 | f - 1 ) ] ; f = h . concat ( f , c ) ; f [ 3 ] |= h . bitLength ( b ) / 8 ; f = a . encrypt ( f ) ; if ( d . length ) { c = h . bitLength ( d ) / 8 ; if ( c <= 65279 ) g = [ h . partial ( 16 , c ) ] ; else if ( c <= 0xffffffff ) g = h . concat ( [ h . partial ( 16 , 65534 ) ] , [ c ] ) ; g = h . concat ( g , d ) ; for ( d = 0 ; d < g . length ; d += 4 ) f = a . encrypt ( i ( f , g . slice ( d , d + 4 ) . concat ( [ 0 , 0 , 0 ] ) ) ) } for ( d = 0 ; d < b . length ; d += 4 ) f = a . encrypt ( i ( f , b . slice ( d , d + 4 ) . concat ( [ 0 , 0 , 0 ] ) ) ) ; return h . clamp ( f , e * 8 ) } , l : function ( a , b , c , d , e , f ) { var g , h = sjcl . bitArray ; g = h . j ; var i = b . length , j = h . bitLength ( b ) ; c = h . concat ( [ h . partial ( 8 ,
f - 1 ) ] , c ) . concat ( [ 0 , 0 , 0 ] ) . slice ( 0 , 4 ) ; d = h . bitSlice ( g ( d , a . encrypt ( c ) ) , 0 , e ) ; if ( ! i ) return { tag : d , data : [ ] } ; for ( g = 0 ; g < i ; g += 4 ) { c [ 3 ] ++ ; e = a . encrypt ( c ) ; b [ g ] ^= e [ 0 ] ; b [ g + 1 ] ^= e [ 1 ] ; b [ g + 2 ] ^= e [ 2 ] ; b [ g + 3 ] ^= e [ 3 ] } return { tag : d , data : h . clamp ( b , j ) } } } ;
sjcl . mode . ocb2 = { name : "ocb2" , encrypt : function ( a , b , c , d , e , f ) { if ( sjcl . bitArray . bitLength ( c ) !== 128 ) throw new sjcl . exception . invalid ( "ocb iv must be 128 bits" ) ; var g , h = sjcl . mode . ocb2 . D , i = sjcl . bitArray , j = i . j , k = [ 0 , 0 , 0 , 0 ] ; c = h ( a . encrypt ( c ) ) ; var l , m = [ ] ; d = d || [ ] ; e = e || 64 ; for ( g = 0 ; g + 4 < b . length ; g += 4 ) { l = b . slice ( g , g + 4 ) ; k = j ( k , l ) ; m = m . concat ( j ( c , a . encrypt ( j ( c , l ) ) ) ) ; c = h ( c ) } l = b . slice ( g ) ; b = i . bitLength ( l ) ; g = a . encrypt ( j ( c , [ 0 , 0 , 0 , b ] ) ) ; l = i . clamp ( j ( l . concat ( [ 0 , 0 , 0 ] ) , g ) , b ) ; k = j ( k , j ( l . concat ( [ 0 , 0 , 0 ] ) , g ) ) ; k = a . encrypt ( j ( k , j ( c , h ( c ) ) ) ) ;
if ( d . length ) k = j ( k , f ? d : sjcl . mode . ocb2 . pmac ( a , d ) ) ; return m . concat ( i . concat ( l , i . clamp ( k , e ) ) ) } , decrypt : function ( a , b , c , d , e , f ) { if ( sjcl . bitArray . bitLength ( c ) !== 128 ) throw new sjcl . exception . invalid ( "ocb iv must be 128 bits" ) ; e = e || 64 ; var g = sjcl . mode . ocb2 . D , h = sjcl . bitArray , i = h . j , j = [ 0 , 0 , 0 , 0 ] , k = g ( a . encrypt ( c ) ) , l , m , n = sjcl . bitArray . bitLength ( b ) - e , o = [ ] ; d = d || [ ] ; for ( c = 0 ; c + 4 < n / 32 ; c += 4 ) { l = i ( k , a . decrypt ( i ( k , b . slice ( c , c + 4 ) ) ) ) ; j = i ( j , l ) ; o = o . concat ( l ) ; k = g ( k ) } m = n - c * 32 ; l = a . encrypt ( i ( k , [ 0 , 0 , 0 , m ] ) ) ; l = i ( l , h . clamp ( b . slice ( c ) ,
m ) . concat ( [ 0 , 0 , 0 ] ) ) ; j = i ( j , l ) ; j = a . encrypt ( i ( j , i ( k , g ( k ) ) ) ) ; if ( d . length ) j = i ( j , f ? d : sjcl . mode . ocb2 . pmac ( a , d ) ) ; if ( ! h . equal ( h . clamp ( j , e ) , h . bitSlice ( b , n ) ) ) throw new sjcl . exception . corrupt ( "ocb: tag doesn't match" ) ; return o . concat ( h . clamp ( l , m ) ) } , pmac : function ( a , b ) { var c , d = sjcl . mode . ocb2 . D , e = sjcl . bitArray , f = e . j , g = [ 0 , 0 , 0 , 0 ] , h = a . encrypt ( [ 0 , 0 , 0 , 0 ] ) ; h = f ( h , d ( d ( h ) ) ) ; for ( c = 0 ; c + 4 < b . length ; c += 4 ) { h = d ( h ) ; g = f ( g , a . encrypt ( f ( h , b . slice ( c , c + 4 ) ) ) ) } b = b . slice ( c ) ; if ( e . bitLength ( b ) < 128 ) { h = f ( h , d ( h ) ) ; b = e . concat ( b , [ 2147483648 | 0 , 0 ,
0 , 0 ] ) } g = f ( g , b ) ; return a . encrypt ( f ( d ( f ( h , d ( h ) ) ) , g ) ) } , D : function ( a ) { return [ a [ 0 ] << 1 ^ a [ 1 ] >>> 31 , a [ 1 ] << 1 ^ a [ 2 ] >>> 31 , a [ 2 ] << 1 ^ a [ 3 ] >>> 31 , a [ 3 ] << 1 ^ ( a [ 0 ] >>> 31 ) * 135 ] } } ;
sjcl . mode . gcm = { name : "gcm" , encrypt : function ( a , b , c , d , e ) { var f = b . slice ( 0 ) ; b = sjcl . bitArray ; e = e || 128 ; d = d || [ ] ; a = sjcl . mode . gcm . l ( true , a , f , d , c , e ) ; return b . concat ( a . data , a . tag ) } , decrypt : function ( a , b , c , d , e ) { var f = b . slice ( 0 ) , g = sjcl . bitArray , h = g . bitLength ( f ) ; e = e || 128 ; d = d || [ ] ; if ( e <= h ) { b = g . bitSlice ( f , h - e ) ; f = g . bitSlice ( f , 0 , h - e ) } else { b = f ; f = [ ] } a = sjcl . mode . gcm . l ( false , a , f , d , c , e ) ; if ( ! g . equal ( a . tag , b ) ) throw new sjcl . exception . corrupt ( "gcm: tag doesn't match" ) ; return a . data } , T : function ( a , b ) { var c , d , e , f , g = sjcl . bitArray . j ;
d = [ 0 , 0 , 0 , 0 ] ; e = b . slice ( 0 ) ; for ( b = 0 ; b < 128 ; b ++ ) { if ( c = ( a [ Math . floor ( b / 32 ) ] & 1 << 31 - b % 32 ) !== 0 ) d = g ( d , e ) ; f = ( e [ 3 ] & 1 ) !== 0 ; for ( c = 3 ; c > 0 ; c -- ) e [ c ] = e [ c ] >>> 1 | ( e [ c - 1 ] & 1 ) << 31 ; e [ 0 ] >>>= 1 ; if ( f ) e [ 0 ] ^= - 0x1f000000 } return d } , e : function ( a , b , c ) { var d , e = c . length ; b = b . slice ( 0 ) ; for ( d = 0 ; d < e ; d += 4 ) { b [ 0 ] ^= 0xffffffff & c [ d ] ; b [ 1 ] ^= 0xffffffff & c [ d + 1 ] ; b [ 2 ] ^= 0xffffffff & c [ d + 2 ] ; b [ 3 ] ^= 0xffffffff & c [ d + 3 ] ; b = sjcl . mode . gcm . T ( b , a ) } return b } , l : function ( a , b , c , d , e , f ) { var g , h , i , j , k , l , m , n , o = sjcl . bitArray ; l = c . length ; m = o . bitLength ( c ) ; n = o . bitLength ( d ) ; h = o . bitLength ( e ) ;
g = b . encrypt ( [ 0 , 0 , 0 , 0 ] ) ; if ( h === 96 ) { e = e . slice ( 0 ) ; e = o . concat ( e , [ 1 ] ) } else { e = sjcl . mode . gcm . e ( g , [ 0 , 0 , 0 , 0 ] , e ) ; e = sjcl . mode . gcm . e ( g , e , [ 0 , 0 , Math . floor ( h / 0x100000000 ) , h & 0xffffffff ] ) } h = sjcl . mode . gcm . e ( g , [ 0 , 0 , 0 , 0 ] , d ) ; k = e . slice ( 0 ) ; d = h . slice ( 0 ) ; a || ( d = sjcl . mode . gcm . e ( g , h , c ) ) ; for ( j = 0 ; j < l ; j += 4 ) { k [ 3 ] ++ ; i = b . encrypt ( k ) ; c [ j ] ^= i [ 0 ] ; c [ j + 1 ] ^= i [ 1 ] ; c [ j + 2 ] ^= i [ 2 ] ; c [ j + 3 ] ^= i [ 3 ] } c = o . clamp ( c , m ) ; if ( a ) d = sjcl . mode . gcm . e ( g , h , c ) ; a = [ Math . floor ( n / 0x100000000 ) , n & 0xffffffff , Math . floor ( m / 0x100000000 ) , m & 0xffffffff ] ; d = sjcl . mode . gcm . e ( g , d , a ) ; i =
b . encrypt ( e ) ; d [ 0 ] ^= i [ 0 ] ; d [ 1 ] ^= i [ 1 ] ; d [ 2 ] ^= i [ 2 ] ; d [ 3 ] ^= i [ 3 ] ; return { tag : o . bitSlice ( d , 0 , f ) , data : c } } } ; sjcl . misc . hmac = function ( a , b ) { this . N = b = b || sjcl . hash . sha256 ; var c = [ [ ] , [ ] ] , d = b . prototype . blockSize / 32 ; this . n = [ new b , new b ] ; if ( a . length > d ) a = b . hash ( a ) ; for ( b = 0 ; b < d ; b ++ ) { c [ 0 ] [ b ] = a [ b ] ^ 909522486 ; c [ 1 ] [ b ] = a [ b ] ^ 1549556828 } this . n [ 0 ] . update ( c [ 0 ] ) ; this . n [ 1 ] . update ( c [ 1 ] ) } ; sjcl . misc . hmac . prototype . encrypt = sjcl . misc . hmac . prototype . mac = function ( a ) { a = ( new this . N ( this . n [ 0 ] ) ) . update ( a ) . finalize ( ) ; return ( new this . N ( this . n [ 1 ] ) ) . update ( a ) . finalize ( ) } ;
sjcl . misc . pbkdf2 = function ( a , b , c , d , e ) { c = c || 1E3 ; if ( d < 0 || c < 0 ) throw sjcl . exception . invalid ( "invalid params to pbkdf2" ) ; if ( typeof a === "string" ) a = sjcl . codec . utf8String . toBits ( a ) ; e = e || sjcl . misc . hmac ; a = new e ( a ) ; var f , g , h , i , j = [ ] , k = sjcl . bitArray ; for ( i = 1 ; 32 * j . length < ( d || 1 ) ; i ++ ) { e = f = a . encrypt ( k . concat ( b , [ i ] ) ) ; for ( g = 1 ; g < c ; g ++ ) { f = a . encrypt ( f ) ; for ( h = 0 ; h < f . length ; h ++ ) e [ h ] ^= f [ h ] } j = j . concat ( e ) } if ( d ) j = k . clamp ( j , d ) ; return j } ;
sjcl . random = { randomWords : function ( a , b ) { var c = [ ] ; b = this . isReady ( b ) ; var d ; if ( b === 0 ) throw new sjcl . exception . notReady ( "generator isn't seeded" ) ; else b & 2 && this . W ( ! ( b & 1 ) ) ; for ( b = 0 ; b < a ; b += 4 ) { ( b + 1 ) % 0x10000 === 0 && this . M ( ) ; d = this . A ( ) ; c . push ( d [ 0 ] , d [ 1 ] , d [ 2 ] , d [ 3 ] ) } this . M ( ) ; return c . slice ( 0 , a ) } , setDefaultParanoia : function ( a ) { this . w = a } , addEntropy : function ( a , b , c ) { c = c || "user" ; var d , e , f = ( new Date ) . valueOf ( ) , g = this . s [ c ] , h = this . isReady ( ) , i = 0 ; d = this . I [ c ] ; if ( d === undefined ) d = this . I [ c ] = this . S ++ ; if ( g === undefined ) g = this . s [ c ] =
0 ; this . s [ c ] = ( this . s [ c ] + 1 ) % this . b . length ; switch ( typeof a ) { case "number" : if ( b === undefined ) b = 1 ; this . b [ g ] . update ( [ d , this . z ++ , 1 , b , f , 1 , a | 0 ] ) ; break ; case "object" : c = Object . prototype . toString . call ( a ) ; if ( c === "[object Uint32Array]" ) { e = [ ] ; for ( c = 0 ; c < a . length ; c ++ ) e . push ( a [ c ] ) ; a = e } else { if ( c !== "[object Array]" ) i = 1 ; for ( c = 0 ; c < a . length && ! i ; c ++ ) if ( typeof a [ c ] != "number" ) i = 1 } if ( ! i ) { if ( b === undefined ) for ( c = b = 0 ; c < a . length ; c ++ ) for ( e = a [ c ] ; e > 0 ; ) { b ++ ; e >>>= 1 } this . b [ g ] . update ( [ d , this . z ++ , 2 , b , f , a . length ] . concat ( a ) ) } break ; case "string" : if ( b ===
undefined ) b = a . length ; this . b [ g ] . update ( [ d , this . z ++ , 3 , b , f , a . length ] ) ; this . b [ g ] . update ( a ) ; break ; default : i = 1 } if ( i ) throw new sjcl . exception . bug ( "random: addEntropy only supports number, array of numbers or string" ) ; this . m [ g ] += b ; this . g += b ; if ( h === 0 ) { this . isReady ( ) !== 0 && this . L ( "seeded" , Math . max ( this . h , this . g ) ) ; this . L ( "progress" , this . getProgress ( ) ) } } , isReady : function ( a ) { a = this . F [ a !== undefined ? a : this . w ] ; return this . h && this . h >= a ? this . m [ 0 ] > 80 && ( new Date ) . valueOf ( ) > this . P ? 3 : 1 : this . g >= a ? 2 : 0 } , getProgress : function ( a ) { a =
this . F [ a ? a : this . w ] ; return this . h >= a ? 1 : this . g > a ? 1 : this . g / a } , startCollectors : function ( ) { if ( ! this . o ) { if ( window . addEventListener ) { window . addEventListener ( "load" , this . q , false ) ; window . addEventListener ( "mousemove" , this . r , false ) } else if ( document . attachEvent ) { document . attachEvent ( "onload" , this . q ) ; document . attachEvent ( "onmousemove" , this . r ) } else throw new sjcl . exception . bug ( "can't attach event" ) ; this . o = true } } , stopCollectors : function ( ) { if ( this . o ) { if ( window . removeEventListener ) { window . removeEventListener ( "load" ,
this . q , false ) ; window . removeEventListener ( "mousemove" , this . r , false ) } else if ( window . detachEvent ) { window . detachEvent ( "onload" , this . q ) ; window . detachEvent ( "onmousemove" , this . r ) } this . o = false } } , addEventListener : function ( a , b ) { this . t [ a ] [ this . R ++ ] = b } , removeEventListener : function ( a , b ) { var c ; a = this . t [ a ] ; var d = [ ] ; for ( c in a ) a . hasOwnProperty ( c ) && a [ c ] === b && d . push ( c ) ; for ( b = 0 ; b < d . length ; b ++ ) { c = d [ b ] ; delete a [ c ] } } , b : [ new sjcl . hash . sha256 ] , m : [ 0 ] , C : 0 , s : { } , z : 0 , I : { } , S : 0 , h : 0 , g : 0 , P : 0 , a : [ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ] , d : [ 0 , 0 , 0 , 0 ] , u : undefined ,
w : 6 , o : false , t : { progress : { } , seeded : { } } , R : 0 , F : [ 0 , 48 , 64 , 96 , 128 , 192 , 0x100 , 384 , 512 , 768 , 1024 ] , A : function ( ) { for ( var a = 0 ; a < 4 ; a ++ ) { this . d [ a ] = this . d [ a ] + 1 | 0 ; if ( this . d [ a ] ) break } return this . u . encrypt ( this . d ) } , M : function ( ) { this . a = this . A ( ) . concat ( this . A ( ) ) ; this . u = new sjcl . cipher . aes ( this . a ) } , V : function ( a ) { this . a = sjcl . hash . sha256 . hash ( this . a . concat ( a ) ) ; this . u = new sjcl . cipher . aes ( this . a ) ; for ( a = 0 ; a < 4 ; a ++ ) { this . d [ a ] = this . d [ a ] + 1 | 0 ; if ( this . d [ a ] ) break } } , W : function ( a ) { var b = [ ] , c = 0 , d ; this . P = b [ 0 ] = ( new Date ) . valueOf ( ) + 3E4 ; for ( d =
0 ; d < 16 ; d ++ ) b . push ( Math . random ( ) * 0x100000000 | 0 ) ; for ( d = 0 ; d < this . b . length ; d ++ ) { b = b . concat ( this . b [ d ] . finalize ( ) ) ; c += this . m [ d ] ; this . m [ d ] = 0 ; if ( ! a && this . C & 1 << d ) break } if ( this . C >= 1 << this . b . length ) { this . b . push ( new sjcl . hash . sha256 ) ; this . m . push ( 0 ) } this . g -= c ; if ( c > this . h ) this . h = c ; this . C ++ ; this . V ( b ) } , r : function ( a ) { sjcl . random . addEntropy ( [ a . x || a . clientX || a . offsetX || 0 , a . y || a . clientY || a . offsetY || 0 ] , 2 , "mouse" ) } , q : function ( ) { sjcl . random . addEntropy ( ( new Date ) . valueOf ( ) , 2 , "loadtime" ) } , L : function ( a , b ) { var c ; a = sjcl . random . t [ a ] ;
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var d = [ ] ; for ( c in a ) a . hasOwnProperty ( c ) && d . push ( a [ c ] ) ; for ( c = 0 ; c < d . length ; c ++ ) d [ c ] ( b ) } } ; try { var s = new Uint32Array ( 32 ) ; crypto . getRandomValues ( s ) ; sjcl . random . addEntropy ( s , 1024 , "crypto['getRandomValues']" ) } catch ( t ) { }
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sjcl . json = { defaults : { v : 1 , iter : 1E3 , ks : 128 , ts : 64 , mode : "ccm" , adata : "" , cipher : "aes" } , encrypt : function ( a , b , c , d ) { c = c || { } ; d = d || { } ; var e = sjcl . json , f = e . c ( { iv : sjcl . random . randomWords ( 4 , 0 ) } , e . defaults ) , g ; e . c ( f , c ) ; c = f . adata ; if ( typeof f . salt === "string" ) f . salt = sjcl . codec . base64 . toBits ( f . salt ) ; if ( typeof f . iv === "string" ) f . iv = sjcl . codec . base64 . toBits ( f . iv ) ; if ( ! sjcl . mode [ f . mode ] || ! sjcl . cipher [ f . cipher ] || typeof a === "string" && f . iter <= 100 || f . ts !== 64 && f . ts !== 96 && f . ts !== 128 || f . ks !== 128 && f . ks !== 192 && f . ks !== 0x100 || f . iv . length <
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2 || f . iv . length > 4 ) throw new sjcl . exception . invalid ( "json encrypt: invalid parameters" ) ; if ( typeof a === "string" ) { g = sjcl . misc . cachedPbkdf2 ( a , f ) ; a = g . key . slice ( 0 , f . ks / 32 ) ; f . salt = g . salt } if ( typeof b === "string" ) b = sjcl . codec . utf8String . toBits ( b ) ; if ( typeof c === "string" ) c = sjcl . codec . utf8String . toBits ( c ) ; g = new sjcl . cipher [ f . cipher ] ( a ) ; e . c ( d , f ) ; d . key = a ; f . ct = sjcl . mode [ f . mode ] . encrypt ( g , b , f . iv , c , f . ts ) ; return e . encode ( f ) } , decrypt : function ( a , b , c , d ) { c = c || { } ; d = d || { } ; var e = sjcl . json ; b = e . c ( e . c ( e . c ( { } , e . defaults ) , e . decode ( b ) ) ,
c , true ) ; var f ; c = b . adata ; if ( typeof b . salt === "string" ) b . salt = sjcl . codec . base64 . toBits ( b . salt ) ; if ( typeof b . iv === "string" ) b . iv = sjcl . codec . base64 . toBits ( b . iv ) ; if ( ! sjcl . mode [ b . mode ] || ! sjcl . cipher [ b . cipher ] || typeof a === "string" && b . iter <= 100 || b . ts !== 64 && b . ts !== 96 && b . ts !== 128 || b . ks !== 128 && b . ks !== 192 && b . ks !== 0x100 || ! b . iv || b . iv . length < 2 || b . iv . length > 4 ) throw new sjcl . exception . invalid ( "json decrypt: invalid parameters" ) ; if ( typeof a === "string" ) { f = sjcl . misc . cachedPbkdf2 ( a , b ) ; a = f . key . slice ( 0 , b . ks / 32 ) ; b . salt = f . salt } if ( typeof c ===
"string" ) c = sjcl . codec . utf8String . toBits ( c ) ; f = new sjcl . cipher [ b . cipher ] ( a ) ; c = sjcl . mode [ b . mode ] . decrypt ( f , b . ct , b . iv , c , b . ts ) ; e . c ( d , b ) ; d . key = a ; return sjcl . codec . utf8String . fromBits ( c ) } , encode : function ( a ) { var b , c = "{" , d = "" ; for ( b in a ) if ( a . hasOwnProperty ( b ) ) { if ( ! b . match ( /^[a-z0-9]+$/i ) ) throw new sjcl . exception . invalid ( "json encode: invalid property name" ) ; c += d + '"' + b + '":' ; d = "," ; switch ( typeof a [ b ] ) { case "number" : case "boolean" : c += a [ b ] ; break ; case "string" : c += '"' + escape ( a [ b ] ) + '"' ; break ; case "object" : c += '"' +
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sjcl . codec . base64 . fromBits ( a [ b ] , 0 ) + '"' ; break ; default : throw new sjcl . exception . bug ( "json encode: unsupported type" ) ; } } return c + "}" } , decode : function ( a ) { a = a . replace ( /\s/g , "" ) ; if ( ! a . match ( /^\{.*\}$/ ) ) throw new sjcl . exception . invalid ( "json decode: this isn't json!" ) ; a = a . replace ( /^\{|\}$/g , "" ) . split ( /,/ ) ; var b = { } , c , d ; for ( c = 0 ; c < a . length ; c ++ ) { if ( ! ( d = a [ c ] . match ( /^(?:(["']?)([a-z][a-z0-9]*)\1):(?:(\d+)|"([a-z0-9+\/%*_.@=\-]*)")$/i ) ) ) throw new sjcl . exception . invalid ( "json decode: this isn't json!" ) ; b [ d [ 2 ] ] =
d [ 3 ] ? parseInt ( d [ 3 ] , 10 ) : d [ 2 ] . match ( /^(ct|salt|iv)$/ ) ? sjcl . codec . base64 . toBits ( d [ 4 ] ) : unescape ( d [ 4 ] ) } return b } , c : function ( a , b , c ) { if ( a === undefined ) a = { } ; if ( b === undefined ) return a ; var d ; for ( d in b ) if ( b . hasOwnProperty ( d ) ) { if ( c && a [ d ] !== undefined && a [ d ] !== b [ d ] ) throw new sjcl . exception . invalid ( "required parameter overridden" ) ; a [ d ] = b [ d ] } return a } , Y : function ( a , b ) { var c = { } , d ; for ( d in a ) if ( a . hasOwnProperty ( d ) && a [ d ] !== b [ d ] ) c [ d ] = a [ d ] ; return c } , X : function ( a , b ) { var c = { } , d ; for ( d = 0 ; d < b . length ; d ++ ) if ( a [ b [ d ] ] !== undefined ) c [ b [ d ] ] =
a [ b [ d ] ] ; return c } } ; sjcl . encrypt = sjcl . json . encrypt ; sjcl . decrypt = sjcl . json . decrypt ; sjcl . misc . U = { } ; sjcl . misc . cachedPbkdf2 = function ( a , b ) { var c = sjcl . misc . U , d ; b = b || { } ; d = b . iter || 1E3 ; c = c [ a ] = c [ a ] || { } ; d = c [ d ] = c [ d ] || { firstSalt : b . salt && b . salt . length ? b . salt . slice ( 0 ) : sjcl . random . randomWords ( 2 , 0 ) } ; c = b . salt === undefined ? d . firstSalt : b . salt ; d [ c ] = d [ c ] || sjcl . misc . pbkdf2 ( a , c , b . iter ) ; return { key : d [ c ] . slice ( 0 ) , salt : c . slice ( 0 ) } } ;
