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Fixed packet length miscalculation issue

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This commit is contained in:
Jae Kwon 2013-10-26 17:05:15 -07:00
parent ebc640ec89
commit 93e653f187
3 changed files with 29 additions and 29 deletions
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40
resources/openpgp.js
View File

@ -7424,7 +7424,7 @@ function openpgp_config() {
keyserver: "keyserver.linux.it" // "pgp.mit.edu:11371"
};
this.versionstring ="OpenPGP.js v.1.20131017";
this.versionstring ="OpenPGP.js v.1.20131026";
this.commentstring ="http://openpgpjs.org";
/**
* Reads the config out of the HTML5 local storage
@ -8790,23 +8790,23 @@ function openpgp_msg_message() {
return texts;
}
/**
* Decrypts and returns children messages
/**
* Decrypts and returns children messages
* @param {openpgp_msg_privatekey} private_key the private the message is encrypted with (corresponding to the session key)
* @param {openpgp_packet_encryptedsessionkey} sessionkey the session key to be used to decrypt the message
* @return {Array} array of openpgp_msg_message's
*/
function decryptMessages(private_key, sessionkey) {
*/
function decryptMessages(private_key, sessionkey) {
if (private_key == null || sessionkey == null || sessionkey == "") {
return null;
}
}
var decrypted = sessionkey.decrypt(this, private_key.keymaterial);
if (decrypted == null) {
return null;
}
}
util.print_debug_hexstr_dump("openpgp.msg.messge decrypt:\n",decrypted);
return openpgp.read_messages_dearmored({text: decrypted, openpgp: decrypted});
}
}
/**
* Verifies a message signature. This function can be called after read_message if the message was signed only.
@ -8816,16 +8816,16 @@ function openpgp_msg_message() {
function verifySignature(pubkey) {
var result = false;
if (this.signature.tagType == 2) {
if(!pubkey || pubkey.length == 0){
var pubkey;
if (this.signature.version == 4) {
pubkey = openpgp.keyring.getPublicKeysForKeyId(this.signature.issuerKeyId);
} else if (this.signature.version == 3) {
pubkey = openpgp.keyring.getPublicKeysForKeyId(this.signature.keyId);
} else {
util.print_error("unknown signature type on message!");
return false;
}
if(!pubkey || pubkey.length == 0){
var pubkey;
if (this.signature.version == 4) {
pubkey = openpgp.keyring.getPublicKeysForKeyId(this.signature.issuerKeyId);
} else if (this.signature.version == 3) {
pubkey = openpgp.keyring.getPublicKeysForKeyId(this.signature.keyId);
} else {
util.print_error("unknown signature type on message!");
return false;
}
}
if (pubkey.length == 0)
util.print_warning("Unable to verify signature of issuer: "+util.hexstrdump(this.signature.issuerKeyId)+". Public key not found in keyring.");
@ -8866,7 +8866,7 @@ function openpgp_msg_message() {
this.decrypt = decrypt;
this.decryptAndVerifySignature = decryptAndVerifySignature;
this.decryptWithoutVerification = decryptWithoutVerification;
this.decryptMessages = decryptMessages;
this.decryptMessages = decryptMessages;
this.verifySignature = verifySignature;
this.toString = toString;
}
@ -10203,7 +10203,7 @@ function _openpgp_packet() {
break;
}
}
real_packet_length = mypos2;
real_packet_length = mypos2 - mypos;
// 4.2.2.3. Five-Octet Lengths
} else {
mypos++;

16
resources/openpgp.min.js vendored
View File

@ -286,7 +286,7 @@ JXG.Util.asciiCharCodeAt=function(b,a){var c=b.charCodeAt(a);if(255<c)switch(c){
151;break;case 732:c=152;break;case 8482:c=153;break;case 353:c=154;break;case 8250:c=155;break;case 339:c=156;break;case 382:c=158;break;case 376:c=159}return c};
JXG.Util.utf8Decode=function(b){var a=[],c=0,d=0,e=0,f;if(!JXG.exists(b))return"";for(;c<b.length;)d=b.charCodeAt(c),128>d?(a.push(String.fromCharCode(d)),c++):191<d&&224>d?(e=b.charCodeAt(c+1),a.push(String.fromCharCode((d&31)<<6|e&63)),c+=2):(e=b.charCodeAt(c+1),f=b.charCodeAt(c+2),a.push(String.fromCharCode((d&15)<<12|(e&63)<<6|f&63)),c+=3);return a.join("")};
JXG.Util.genUUID=function(){for(var b="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".split(""),a=Array(36),c=0,d,e=0;36>e;e++)8==e||13==e||18==e||23==e?a[e]="-":14==e?a[e]="4":(2>=c&&(c=33554432+16777216*Math.random()|0),d=c&15,c>>=4,a[e]=b[19==e?d&3|8:d]);return a.join("")};
function openpgp_config(){this.config=null;this.default_config={prefer_hash_algorithm:8,encryption_cipher:9,compression:1,show_version:!0,show_comment:!0,integrity_protect:!0,composition_behavior:0,keyserver:"keyserver.linux.it"};this.versionstring="OpenPGP.js v.1.20131017";this.commentstring="http://openpgpjs.org";this.debug=!1;this.read=function(){var b=JSON.parse(window.localStorage.getItem("config"));null==b?(this.config=this.default_config,this.write()):this.config=b};this.write=function(){window.localStorage.setItem("config",
function openpgp_config(){this.config=null;this.default_config={prefer_hash_algorithm:8,encryption_cipher:9,compression:1,show_version:!0,show_comment:!0,integrity_protect:!0,composition_behavior:0,keyserver:"keyserver.linux.it"};this.versionstring="OpenPGP.js v.1.20131026";this.commentstring="http://openpgpjs.org";this.debug=!1;this.read=function(){var b=JSON.parse(window.localStorage.getItem("config"));null==b?(this.config=this.default_config,this.write()):this.config=b};this.write=function(){window.localStorage.setItem("config",
JSON.stringify(this.config))}}var b64s="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
function s2r(b){var a,c,d,e="",f=0,g=0,h=b.length;for(d=0;d<h;d++)c=b.charCodeAt(d),0==g?(e+=b64s.charAt(c>>2&63),a=(c&3)<<4):1==g?(e+=b64s.charAt(a|c>>4&15),a=(c&15)<<2):2==g&&(e+=b64s.charAt(a|c>>6&3),f+=1,0==f%60&&(e+="\n"),e+=b64s.charAt(c&63)),f+=1,0==f%60&&(e+="\n"),g+=1,3==g&&(g=0);0<g&&(e+=b64s.charAt(a),f+=1,0==f%60&&(e+="\n"),e+="=",f+=1);1==g&&(0==f%60&&(e+="\n"),e+="=");"\n"===e.charAt(e.length-1)&&(e=e.slice(0,-1));return e}
function r2s(b){var a,c,d="",e=0,f=0,g=b.length;for(c=0;c<g;c++)a=b64s.indexOf(b.charAt(c)),0<=a&&(e&&(d+=String.fromCharCode(f|a>>6-e&255)),e=e+2&7,f=a<<e&255);return d}
@ -375,13 +375,13 @@ function _openpgp_packet(){function b(a){result="";192>a?result+=String.fromChar
String.fromCharCode(b)):(65536>b?(d+=String.fromCharCode(a<<2|129),d+=String.fromCharCode(b>>8)):(d+=String.fromCharCode(a<<2|130),d+=String.fromCharCode(b>>24&255),d+=String.fromCharCode(b>>16&255),d+=String.fromCharCode(b>>8&255)),d+=String.fromCharCode(b&255));return d};this.write_packet_header=function(a,c){var d;d=""+String.fromCharCode(192|a);return d+=b(c)};this.read_packet=function(a,b,d){if(null==a||a.length<=b||2>a.substring(b).length||0==(a[b].charCodeAt()&128))return util.print_error("Error during parsing. This message / key is probably not containing a valid OpenPGP format."),
null;var e=b,f=-1,g=-1,g=0;0!=(a[e].charCodeAt()&64)&&(g=1);var h;g?f=a[e].charCodeAt()&63:(f=(a[e].charCodeAt()&63)>>2,h=a[e].charCodeAt()&3);e++;var j=null,k=-1;if(g)if(192>a[e].charCodeAt())packet_length=a[e++].charCodeAt(),util.print_debug("1 byte length:"+packet_length);else if(192<=a[e].charCodeAt()&&224>a[e].charCodeAt())packet_length=(a[e++].charCodeAt()-192<<8)+a[e++].charCodeAt()+192,util.print_debug("2 byte length:"+packet_length);else if(223<a[e].charCodeAt()&&255>a[e].charCodeAt()){packet_length=
1<<(a[e++].charCodeAt()&31);util.print_debug("4 byte length:"+packet_length);k=e+packet_length;for(j=a.substring(e,e+packet_length);;)if(192>a[k].charCodeAt()){d=a[k++].charCodeAt();packet_length+=d;j+=a.substring(k,k+d);k+=d;break}else if(192<=a[k].charCodeAt()&&224>a[k].charCodeAt()){d=(a[k++].charCodeAt()-192<<8)+a[k++].charCodeAt()+192;packet_length+=d;j+=a.substring(k,k+d);k+=d;break}else if(223<a[k].charCodeAt()&&255>a[k].charCodeAt())d=1<<(a[k++].charCodeAt()&31),packet_length+=d,j+=a.substring(k,
k+d),k+=d;else{k++;d=a[k++].charCodeAt()<<24|a[k++].charCodeAt()<<16|a[k++].charCodeAt()<<8|a[k++].charCodeAt();j+=a.substring(k,k+d);packet_length+=d;k+=d;break}}else e++,packet_length=a[e++].charCodeAt()<<24|a[e++].charCodeAt()<<16|a[e++].charCodeAt()<<8|a[e++].charCodeAt();else switch(h){case 0:packet_length=a[e++].charCodeAt();break;case 1:packet_length=a[e++].charCodeAt()<<8|a[e++].charCodeAt();break;case 2:packet_length=a[e++].charCodeAt()<<24|a[e++].charCodeAt()<<16|a[e++].charCodeAt()<<8|
a[e++].charCodeAt();break;default:packet_length=d}-1==k&&(k=packet_length);null==j&&(j=a.substring(e,e+k));switch(f){case 0:break;case 1:f=new openpgp_packet_encryptedsessionkey;if(null!=f.read_pub_key_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 2:f=new openpgp_packet_signature;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 3:f=new openpgp_packet_encryptedsessionkey;if(null!=f.read_symmetric_key_packet(j,0,packet_length))return f.headerLength=
e-b,f.packetLength=k,f;break;case 4:f=new openpgp_packet_onepasssignature;if(f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 5:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag5(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 6:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag6(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 7:f=new openpgp_packet_keymaterial;
if(null!=f.read_tag7(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 8:f=new openpgp_packet_compressed;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 9:f=new openpgp_packet_encrypteddata;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 10:f=new openpgp_packet_marker;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 11:f=new openpgp_packet_literaldata;
if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.header=a.substring(b,e),f.packetLength=k,f;break;case 12:break;case 13:f=new openpgp_packet_userid;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 14:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag14(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 17:f=new openpgp_packet_userattribute;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=
e-b,f.packetLength=k,f;break;case 18:f=new openpgp_packet_encryptedintegrityprotecteddata;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 19:f=new openpgp_packet_modificationdetectioncode;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;default:return util.print_error("openpgp.packet.js\n[ERROR] openpgp_packet: failed to parse packet @:"+e+"\nchar:'"+util.hexstrdump(a.substring(e))+"'\ninput:"+util.hexstrdump(a)),
null}}}var openpgp_packet=new _openpgp_packet;
k+d),k+=d;else{k++;d=a[k++].charCodeAt()<<24|a[k++].charCodeAt()<<16|a[k++].charCodeAt()<<8|a[k++].charCodeAt();j+=a.substring(k,k+d);packet_length+=d;k+=d;break}k-=e}else e++,packet_length=a[e++].charCodeAt()<<24|a[e++].charCodeAt()<<16|a[e++].charCodeAt()<<8|a[e++].charCodeAt();else switch(h){case 0:packet_length=a[e++].charCodeAt();break;case 1:packet_length=a[e++].charCodeAt()<<8|a[e++].charCodeAt();break;case 2:packet_length=a[e++].charCodeAt()<<24|a[e++].charCodeAt()<<16|a[e++].charCodeAt()<<
8|a[e++].charCodeAt();break;default:packet_length=d}-1==k&&(k=packet_length);null==j&&(j=a.substring(e,e+k));switch(f){case 0:break;case 1:f=new openpgp_packet_encryptedsessionkey;if(null!=f.read_pub_key_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 2:f=new openpgp_packet_signature;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 3:f=new openpgp_packet_encryptedsessionkey;if(null!=f.read_symmetric_key_packet(j,0,
packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 4:f=new openpgp_packet_onepasssignature;if(f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 5:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag5(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 6:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag6(j,0,packet_length))return f.headerLength=e-b,f.packetLength=
k,f;break;case 7:f=new openpgp_packet_keymaterial;if(null!=f.read_tag7(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 8:f=new openpgp_packet_compressed;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 9:f=new openpgp_packet_encrypteddata;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 10:f=new openpgp_packet_marker;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=
e-b,f.packetLength=k,f;break;case 11:f=new openpgp_packet_literaldata;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.header=a.substring(b,e),f.packetLength=k,f;break;case 12:break;case 13:f=new openpgp_packet_userid;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 14:f=new openpgp_packet_keymaterial;f.header=a.substring(b,e);if(null!=f.read_tag14(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 17:f=
new openpgp_packet_userattribute;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 18:f=new openpgp_packet_encryptedintegrityprotecteddata;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;case 19:f=new openpgp_packet_modificationdetectioncode;if(null!=f.read_packet(j,0,packet_length))return f.headerLength=e-b,f.packetLength=k,f;break;default:return util.print_error("openpgp.packet.js\n[ERROR] openpgp_packet: failed to parse packet @:"+
e+"\nchar:'"+util.hexstrdump(a.substring(e))+"'\ninput:"+util.hexstrdump(a)),null}}}var openpgp_packet=new _openpgp_packet;
function openpgp_packet_keymaterial(){this.subKeyRevocationSignature=this.subKeySignature=this.parentNode=this.checksum=this.hasUnencryptedSecretKeyData=this.encryptedMPIData=this.IVLength=this.s2kUsageConventions=this.symmetricEncryptionAlgorithm=this.publicKey=this.secMPIs=this.MPIs=this.expiration=this.version=this.creationTime=this.tagType=this.publicKeyAlgorithm=null;this.read_tag5=function(b,a,c){this.tagType=5;this.read_priv_key(b,a,c);return this};this.read_tag6=function(b,a,c){this.tagType=
6;this.packetLength=c;this.read_pub_key(b,a,c);return this};this.read_tag7=function(b,a,c){this.tagType=7;this.packetLength=c;return this.read_priv_key(b,a,c)};this.read_tag14=function(b,a,c){this.subKeySignature=null;this.subKeyRevocationSignature=[];this.tagType=14;this.packetLength=c;this.read_pub_key(b,a,c);return this};this.toString=function(){var b="";switch(this.tagType){case 6:b+="5.5.1.1. Public-Key Packet (Tag 6)\n length: "+this.packetLength+"\n version: "+
this.version+"\n creation time: "+this.creationTime+"\n expiration time: "+this.expiration+"\n publicKeyAlgorithm: "+this.publicKeyAlgorithm+"\n";break;case 14:b+="5.5.1.2. Public-Subkey Packet (Tag 14)\n length: "+this.packetLength+"\n version: "+this.version+"\n creation time: "+this.creationTime+"\n expiration time: "+this.expiration+"\n publicKeyAlgorithm: "+this.publicKeyAlgorithm+"\n";break;case 5:b+="5.5.1.3. Secret-Key Packet (Tag 5)\n length: "+

2
src/packet/openpgp.packet.js
View File

@ -226,7 +226,7 @@ function _openpgp_packet() {
break;
}
}
real_packet_length = mypos2;
real_packet_length = mypos2 - mypos;
// 4.2.2.3. Five-Octet Lengths
} else {
mypos++;