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removed errant debugging variable

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This commit is contained in:
Mike Hamburg 2010-12-09 14:02:56 -08:00
parent b87f993a0b
commit f28119699c
2 changed files with 1 additions and 2 deletions
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1
core/cbc.js
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@ -104,7 +104,6 @@ sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity.
throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");
}
bo = bi * 0x1010101;
FOOOO = output;
if (!w.equal(w.bitSlice([bo,bo,bo,bo], 0, bi*8),
w.bitSlice(output, output.length*32 - bi*8, output.length*32))) {
throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");

2
sjcl.js
View file

@ -20,7 +20,7 @@ f=[h.partial(8,(d.length?64:0)|e-2<<2|f-1)];f=h.concat(f,c);f[3]|=h.bitLength(b)
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)}}};if(sjcl.beware===undefined)sjcl.beware={};
sjcl.beware["CBC mode is dangerous because it doesn't protect message integrity."]=function(){sjcl.mode.cbc={name:"cbc",encrypt:function(a,b,c,d){if(d&&d.length)throw new sjcl.exception.invalid("cbc can't authenticate data");if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("cbc iv must be 128 bits");var e=sjcl.bitArray,f=e.i,g=e.bitLength(b),h=0,i=[];if(g&7)throw new sjcl.exception.invalid("pkcs#5 padding only works for multiples of a byte");for(d=0;h+128<=g;d+=4,h+=128){c=a.encrypt(f(c,
b.slice(d,d+4)));i.splice(d,0,c[0],c[1],c[2],c[3])}g=(16-(g>>3&15))*0x1010101;c=a.encrypt(f(c,e.concat(b,[g,g,g,g]).slice(d,d+4)));i.splice(d,0,c[0],c[1],c[2],c[3]);return i},decrypt:function(a,b,c,d){if(d&&d.length)throw new sjcl.exception.invalid("cbc can't authenticate data");if(sjcl.bitArray.bitLength(c)!==128)throw new sjcl.exception.invalid("cbc iv must be 128 bits");if(sjcl.bitArray.bitLength(b)&127||!b.length)throw new sjcl.exception.corrupt("cbc ciphertext must be a positive multiple of the block size");
var e=sjcl.bitArray,f=e.i,g,h=[];for(d=0;d<b.length;d+=4){g=b.slice(d,d+4);c=f(c,a.decrypt(g));h.splice(d,0,c[0],c[1],c[2],c[3]);c=g}g=h[d-1]&255;if(g==0||g>16)throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");c=g*0x1010101;FOOOO=h;if(!e.equal(e.bitSlice([c,c,c,c],0,g*8),e.bitSlice(h,h.length*32-g*8,h.length*32)))throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");return e.bitSlice(h,0,h.length*32-g*8)}}};
var e=sjcl.bitArray,f=e.i,g,h=[];for(d=0;d<b.length;d+=4){g=b.slice(d,d+4);c=f(c,a.decrypt(g));h.splice(d,0,c[0],c[1],c[2],c[3]);c=g}g=h[d-1]&255;if(g==0||g>16)throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");c=g*0x1010101;if(!e.equal(e.bitSlice([c,c,c,c],0,g*8),e.bitSlice(h,h.length*32-g*8,h.length*32)))throw new sjcl.exception.corrupt("pkcs#5 padding corrupt");return e.bitSlice(h,0,h.length*32-g*8)}}};
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.I,i=sjcl.bitArray,j=i.i,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);l=j(c,a.encrypt(j(c,l)));m.splice(g,0,l[0],l[1],l[2],l[3]);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,g),b);k=j(k,j(l,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.I,h=sjcl.bitArray,i=h.i,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.splice(c,0,l[0],l[1],l[2],l[3]);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));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.I,e=sjcl.bitArray,f=e.i,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])}g=f(g,b);return a.encrypt(f(d(f(h,