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Classes


Class KJUR.crypto.ECParameterDB

static object for elliptic curve names and parameters
Defined in: ecparam-1.0.js.

Class Summary
Constructor Attributes Constructor Name and Description
 
static object for elliptic curve names and parameters This class provides parameters for named elliptic curves.
Method Summary
Method Attributes Method Name and Description
<static>  
KJUR.crypto.ECParameterDB.getByName(nameOrAlias)
get curve inforamtion associative array for curve name or alias
<static>  
KJUR.crypto.ECParameterDB.regist(name, keylen, pHex, aHex, bHex, nHex, hHex, gxHex, gyHex, aliasList, oid, info)
register new curve
Class Detail
KJUR.crypto.ECParameterDB()
static object for elliptic curve names and parameters This class provides parameters for named elliptic curves. Currently it supoprts following curve names and aliases however the name marked (*) are available for KJUR.crypto.ECDSA and KJUR.crypto.Signature classes.
  • secp128r1
  • secp160r1
  • secp160k1
  • secp192r1
  • secp192k1
  • secp224r1
  • secp256r1, NIST P-256, P-256, prime256v1 (*)
  • secp256k1 (*)
  • secp384r1, NIST P-384, P-384 (*)
  • secp521r1, NIST P-521, P-521
You can register new curves by using 'register' method.
Method Detail
<static> {Array} KJUR.crypto.ECParameterDB.getByName(nameOrAlias)
get curve inforamtion associative array for curve name or alias
var param = KJUR.crypto.ECParameterDB.getByName('prime256v1');
var keylen = param['keylen'];
var n = param['n'];
Parameters:
{String} nameOrAlias
curve name or alias name
Returns:
{Array} associative array of curve parameters

<static> KJUR.crypto.ECParameterDB.regist(name, keylen, pHex, aHex, bHex, nHex, hHex, gxHex, gyHex, aliasList, oid, info)
register new curve
Parameters:
{String} name
name of curve
{Integer} keylen
key length
{String} pHex
hexadecimal value of p
{String} aHex
hexadecimal value of a
{String} bHex
hexadecimal value of b
{String} nHex
hexadecimal value of n
{String} hHex
hexadecimal value of h
{String} gxHex
hexadecimal value of Gx
{String} gyHex
hexadecimal value of Gy
{Array} aliasList
array of string for curve names aliases
{String} oid
Object Identifier for the curve
{String} info
information string for the curve

© 2012-2017 Kenji Urushima, All rights reserved
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