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Class ASN1HEX

ASN.1 DER encoded hexadecimal string utility class
Defined in: asn1hex-1.1.js.

Class Summary
Constructor Attributes Constructor Name and Description
 
ASN.1 DER encoded hexadecimal string utility class
Method Summary
Method Attributes Method Name and Description
<static>  
ASN1HEX.dump(hex, associative, idx, indent)
get string of simple ASN.1 dump from hexadecimal ASN.1 data This method will get an ASN.1 dump from hexadecmal string of ASN.1 DER encoded data.
<static>  
ASN1HEX.getByteLengthOfL_AtObj(s, pos)
get byte length for ASN.1 L(length) bytes
<static>  
ASN1HEX.getDecendantHexTLVByNthList(h, currentIndex, nthList)
get hexadecimal string of ASN.1 TLV refered by current index and nth index list.
<static>  
ASN1HEX.getDecendantHexVByNthList(h, currentIndex, nthList)
get hexadecimal string of ASN.1 V refered by current index and nth index list.
<static>  
ASN1HEX.getDecendantIndexByNthList(h, currentIndex, nthList)
get string index of nth child object of ASN.1 object refered by h, idx
<static>  
ASN1HEX.getHexOfL_AtObj(s, pos)
get hexadecimal string for ASN.1 L(length) bytes
<static>  
ASN1HEX.getHexOfTLV_AtObj(s, pos)
get hexadecimal string of ASN.1 TLV at
<static>  
ASN1HEX.getHexOfV_AtObj(s, pos)
get hexadecimal string of ASN.1 V(value)
<static>  
ASN1HEX.getIntOfL_AtObj(s, pos)
get integer value of ASN.1 length for ASN.1 data
<static>  
ASN1HEX.getNthChildIndex_AtObj(h, idx, nth)
get string index of nth child object of ASN.1 object refered by h, idx
<static>  
ASN1HEX.getPosArrayOfChildren_AtObj(s, start)
get array of indexes of child ASN.1 objects
<static>  
ASN1HEX.getPosOfNextSibling_AtObj(s, pos)
get next sibling starting index for ASN.1 object string
<static>  
ASN1HEX.getStartPosOfV_AtObj(s, pos)
get ASN.1 value starting string position for ASN.1 object refered by index 'idx'.
<static>  
ASN1HEX.hextooidstr(hex)
get OID string from hexadecimal encoded value
<static>  
ASN1HEX.isASN1HEX(hex)
check wheather the string is ASN.1 hexadecimal string or not This method checks wheather the argument 'hex' is a hexadecimal string of ASN.1 data or not.
Class Detail
ASN1HEX()
ASN.1 DER encoded hexadecimal string utility class
Since:
jsrsasign 1.1
Method Detail
<static> {String} ASN1HEX.dump(hex, associative, idx, indent)
get string of simple ASN.1 dump from hexadecimal ASN.1 data This method will get an ASN.1 dump from hexadecmal string of ASN.1 DER encoded data. Here are features:
// ASN.1 INTEGER
ASN1HEX.dump('0203012345')
↓
INTEGER 012345
// ASN.1 Object Identifier
ASN1HEX.dump('06052b0e03021a')
↓
ObjectIdentifier sha1 (1 3 14 3 2 26)
// ASN.1 SEQUENCE
ASN1HEX.dump('3006020101020102')
↓
SEQUENCE
  INTEGER 01
  INTEGER 02
// ASN.1 DUMP FOR X.509 CERTIFICATE
ASN1HEX.dump(X509.pemToHex(certPEM))
↓
SEQUENCE
  SEQUENCE
    [0]
      INTEGER 02
    INTEGER 0c009310d206dbe337553580118ddc87
    SEQUENCE
      ObjectIdentifier SHA256withRSA (1 2 840 113549 1 1 11)
      NULL
    SEQUENCE
      SET
        SEQUENCE
          ObjectIdentifier countryName (2 5 4 6)
          PrintableString 'US'
            :
Parameters:
{String} hex
hexadecmal string of ASN.1 data
{Array} associative
array of flags for dump (OPTION)
{Number} idx
string index for starting dump (OPTION)
{String} indent
string (OPTION)
Since:
jsrsasign 4.8.3 asn1hex 1.1.6
Returns:
{String} string of simple ASN.1 dump

<static> ASN1HEX.getByteLengthOfL_AtObj(s, pos)
get byte length for ASN.1 L(length) bytes
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Returns:
byte length for ASN.1 L(length) bytes

<static> {Number} ASN1HEX.getDecendantHexTLVByNthList(h, currentIndex, nthList)
get hexadecimal string of ASN.1 TLV refered by current index and nth index list.
Parameters:
{String} h
hexadecimal string of ASN.1 DER encoded data
{Number} currentIndex
start string index of ASN.1 object
{Array of Number} nthList
array list of nth
Since:
1.1
Returns:
{Number} hexadecimal string of ASN.1 TLV refered by nthList

<static> {Number} ASN1HEX.getDecendantHexVByNthList(h, currentIndex, nthList)
get hexadecimal string of ASN.1 V refered by current index and nth index list.
Parameters:
{String} h
hexadecimal string of ASN.1 DER encoded data
{Number} currentIndex
start string index of ASN.1 object
{Array of Number} nthList
array list of nth
Since:
1.1
Returns:
{Number} hexadecimal string of ASN.1 V refered by nthList

<static> {Number} ASN1HEX.getDecendantIndexByNthList(h, currentIndex, nthList)
get string index of nth child object of ASN.1 object refered by h, idx
The "nthList" is a index list of structured ASN.1 object
reference. Here is a sample structure and "nthList"s which
refers each objects.

SQUENCE               - 
  SEQUENCE            - [0]
    IA5STRING 000     - [0, 0]
    UTF8STRING 001    - [0, 1]
  SET                 - [1]
    IA5STRING 010     - [1, 0]
    UTF8STRING 011    - [1, 1]
Parameters:
{String} h
hexadecimal string of ASN.1 DER encoded data
{Number} currentIndex
start string index of ASN.1 object
{Array of Number} nthList
array list of nth
Since:
1.1
Returns:
{Number} string index refered by nthList

<static> {String} ASN1HEX.getHexOfL_AtObj(s, pos)
get hexadecimal string for ASN.1 L(length) bytes
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Returns:
{String} hexadecimal string for ASN.1 L(length) bytes

<static> {String} ASN1HEX.getHexOfTLV_AtObj(s, pos)
get hexadecimal string of ASN.1 TLV at
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Since:
1.1
Returns:
{String} hexadecimal string of ASN.1 TLV.

<static> {String} ASN1HEX.getHexOfV_AtObj(s, pos)
get hexadecimal string of ASN.1 V(value)
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Returns:
{String} hexadecimal string of ASN.1 value.

<static> ASN1HEX.getIntOfL_AtObj(s, pos)
get integer value of ASN.1 length for ASN.1 data
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Returns:
ASN.1 L(length) integer value

<static> {Number} ASN1HEX.getNthChildIndex_AtObj(h, idx, nth)
get string index of nth child object of ASN.1 object refered by h, idx
Parameters:
{String} h
hexadecimal string of ASN.1 DER encoded data
{Number} idx
start string index of ASN.1 object
{Number} nth
for child
Since:
1.1
Returns:
{Number} string index of nth child.

<static> {Array of Number} ASN1HEX.getPosArrayOfChildren_AtObj(s, start)
get array of indexes of child ASN.1 objects
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} start
string index of ASN.1 object
Returns:
{Array of Number} array of indexes for childen of ASN.1 objects

<static> ASN1HEX.getPosOfNextSibling_AtObj(s, pos)
get next sibling starting index for ASN.1 object string
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index
Returns:
next sibling starting index for ASN.1 object string

<static> ASN1HEX.getStartPosOfV_AtObj(s, pos)
get ASN.1 value starting string position for ASN.1 object refered by index 'idx'.
Parameters:
{String} s
hexadecimal string of ASN.1 DER encoded data
{Number} pos
string index

<static> {String} ASN1HEX.hextooidstr(hex)
get OID string from hexadecimal encoded value
Parameters:
{String} hex
hexadecmal string of ASN.1 DER encoded OID value
Since:
asn1hex 1.1.5
Returns:
{String} OID string (ex. '1.2.3.4.567')

<static> {Boolean} ASN1HEX.isASN1HEX(hex)
check wheather the string is ASN.1 hexadecimal string or not This method checks wheather the argument 'hex' is a hexadecimal string of ASN.1 data or not.
ASN1HEX.isASN1HEX('0203012345') → true // PROPER ASN.1 INTEGER
ASN1HEX.isASN1HEX('0203012345ff') → false // TOO LONG VALUE
ASN1HEX.isASN1HEX('02030123') → false // TOO SHORT VALUE
ASN1HEX.isASN1HEX('fa3bcd') → false // WRONG FOR ASN.1
Parameters:
{String} hex
string to check whether it is hexadecmal string for ASN.1 DER or not
Since:
jsrsasign 4.8.3 asn1hex 1.1.6
Returns:
{Boolean} true if it is hexadecimal string of ASN.1 data otherwise false

© 2012 Kenji Urushima, All rights reserved
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