Class ECCUtils

Object
   |
   +--ECCUtils

class ECCUtils

Defined in eccutils.js

Field Detail

brainpoolP160r1

<static> Object brainpoolP160r1

brainpoolP160t1

<static> Object brainpoolP160t1

brainpoolP192r1

<static> Object brainpoolP192r1

brainpoolP192t1

<static> Object brainpoolP192t1

brainpoolP224r1

<static> Object brainpoolP224r1

brainpoolP224t1

<static> Object brainpoolP224t1

brainpoolP256r1

<static> Object brainpoolP256r1

brainpoolP256t1

<static> Object brainpoolP256t1

brainpoolP320r1

<static> Object brainpoolP320r1

brainpoolP320t1

<static> Object brainpoolP320t1

brainpoolP384r1

<static> Object brainpoolP384r1

brainpoolP384t1

<static> Object brainpoolP384t1

brainpoolP512r1

<static> Object brainpoolP512r1

brainpoolP512t1

<static> Object brainpoolP512t1

c2pnb163v1

<static> Object c2pnb163v1

c2pnb163v2

<static> Object c2pnb163v2

c2pnb163v3

<static> Object c2pnb163v3

c2pnb176w1

<static> Object c2pnb176w1

c2pnb208w1

<static> Object c2pnb208w1

c2pnb272w1

<static> Object c2pnb272w1

c2pnb304w1

<static> Object c2pnb304w1

c2pnb368w1

<static> Object c2pnb368w1

c2tnb191v1

<static> Object c2tnb191v1

c2tnb191v2

<static> Object c2tnb191v2

c2tnb191v3

<static> Object c2tnb191v3

c2tnb239v1

<static> Object c2tnb239v1

c2tnb239v2

<static> Object c2tnb239v2

c2tnb239v3

<static> Object c2tnb239v3

c2tnb359v1

<static> Object c2tnb359v1

c2tnb431r1

<static> Object c2tnb431r1

PAD

<static> Object PAD

prime192v1

<static> Object prime192v1

prime192v2

<static> Object prime192v2

prime192v3

<static> Object prime192v3

prime239v1

<static> Object prime239v1

prime239v2

<static> Object prime239v2

prime239v3

<static> Object prime239v3

prime256v1

<static> Object prime256v1

secp224r1

<static> Object secp224r1

secp256r1

<static> Object secp256r1

secp384r1

<static> Object secp384r1

secp521r1

<static> Object secp521r1

sect163r2

<static> Object sect163r2

sect233r1

<static> Object sect233r1

sect283r1

<static> Object sect283r1

sect409r1

<static> Object sect409r1

sect571r1

<static> Object sect571r1

ECCUtils

ECCUtils()

decodeECParameters

<static> Object decodeECParameters(tlv)

Decode domain parameter from ECParameters

	ECParameters ::= SEQUENCE {
		version INTEGER{ecpVer1(1)} (ecpVer1),
		fieldID FieldID,
		curve Curve,
		base ECPoint,
		order INTEGER,
		cofactor INTEGER OPTIONAL,
		...
	}

	Curve ::= SEQUENCE {
		a FieldElement,
		b FieldElement,
		seed BIT STRING OPTIONAL
	}

	FieldElement ::= OCTET STRING
	ECPoint ::= OCTET STRING
	FieldID ::= SEQUENCE {
		fieldType OBJECT IDENTIFIER,
		parameters ANY DEFINED BY fieldType
	}
	prime-field OBJECT IDENTIFIER ::= { ansi-x9-62 fieldType(1) 1 }
	Prime-p ::= INTEGER
 

ECParametersToString

<static> Object ECParametersToString(key)

I2O

<static> Object I2O(value, length)

Integer to octet string conversion

unwrapSignature

<static> Object unwrapSignature(signature, keylen)

Unwrap a ECDSA signature from the TLV encoding according to RFC3279 into the concatenation of the unsigned integer r and s

Parameters:
signature - TLV encoded signature

Returns:
concatenation of r and s

wrapSignature

<static> Object wrapSignature(signature)

Wrap a ECDSA signature in the format r || s into a TLV encoding as defined by RFC 3279

Parameters:
signature - ByteString containing the concatenation of r and s as unsigned integer values

Returns:
ASN.1 SEQUENCE objects containing two signed integer r and s