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Supported EC Domain Parameters

The following tables list all pre-defined ECC domain parameters. Use the iaik.security.ec.common.ECStandardizedParameterFactory methods to make use of them. You can either provide the curve name ( getParametersByName(name) method), use the object identifier ( getParametersByOID(oid) method) or select domain parameters by the key length ( getParametersByBitLength(bits) method). Some of the curves have more than one name. In this case you can specify any you like.

Supported ECC Domain Parameter for Elliptic Curves over Prime Fields

This is the recommended field type and more efficient in software. The NIST curves are being used if you initialize the keypair generator just with the keysize.

key length

OID

X9.62

NIST

SEC2

RFC 5639

ANSSI

160

1.3.132.0.9

 

secp160k1

 

160

1.3.132.0.8

 

P-160

secp160r1

 

160

1.3.132.0.30

 

secp160r2

 

160

1.3.36.3.3.2.8.1.1.1

 

brainpoolP160r1

 

160

1.3.36.3.3.2.8.1.1.2

 

brainpoolP160t1

 

192

1.2.840.10045.3.1.1

prime192v1

P-192

secp192r1

 

192

1.3.132.0.31

 

secp192k1

 

192

1.2.840.10045.3.1.2

prime192v2

 

192

1.2.840.10045.3.1.3

prime192v3

 

192

1.3.36.3.3.2.8.1.1.3

 

brainpoolP192r1

 

192

1.3.36.3.3.2.8.1.1.4

 

brainpoolP192t1

 

224

1.3.132.0.33

 

P-224

secp224r1

 

224

1.3.132.0.32

 

secp224k1

 

224

1.3.36.3.3.2.8.1.1.5

 

brainpoolP224r1

 

224

1.3.36.3.3.2.8.1.1.6

 

brainpoolP224t1

 

256

1.2.840.10045.3.1.7

prime256v1

P-256

secp256r1

 

256

1.3.132.0.10

 

secp256k1

 

256

1.3.36.3.3.2.8.1.1.7

 

brainpoolP256r1

 

256

1.3.36.3.3.2.8.1.1.8

 

brainpoolP256t1

 

256

1.2.250.1.223.101.256.1

   

FRP256v1

320

1.3.36.3.3.2.8.1.1.9

 

brainpoolP320r1

 

320

1.3.36.3.3.2.8.1.1.10

 

brainpoolP320t1

 

384

1.3.132.0.34

 

P-384

secp384r1

 

384

1.3.36.3.3.2.8.1.1.11

 

brainpoolP384r1

 

384

1.3.36.3.3.2.8.1.1.12

 

brainpoolP384t1

 

512

1.3.36.3.3.2.8.1.1.13

 

brainpoolP512r1

 

512

1.3.36.3.3.2.8.1.1.14

 

brainpoolP512t1

 

521

1.3.132.0.35

 

P-521

secp521r1

 

Supported ECC Domain Parameter for Elliptic Curves over Binary Fields

We only support polynomial base representation of this field type.

key length

OID

X9.62

NIST

SEC2

163

1.3.132.0.1

 

K-163

sect163k1

163

1.3.132.0.15

 

B-163

sect163r2

163

1.3.132.0.2

 

sect163r1

191

1.2.840.10045.3.0.5

 

c2tnb191v1

191

1.2.840.10045.3.0.6

 

c2tnb191v2

191

1.2.840.10045.3.0.7

 

c2tnb191v3

193

1.3.132.0.24

 

sect193r1

193

1.3.132.0.25

 

sect193r2

233

1.3.132.0.26

 

K-233

sect233k1

233

1.3.132.0.27

 

B-233

sect233r1

239

1.3.132.0.3

 

sect239k1

239

1.2.840.10045.3.0.11

c2tnb239v1

 

239

1.2.840.10045.3.0.12

c2tnb239v2

 

239

1.2.840.10045.3.0.13

c2tnb239v3

 

359

1.2.840.10045.3.0.18

c2tnb359v1

 

409

1.3.132.0.36

 

K-409

sect409k1

409

1.3.132.0.37

 

B-409

sect409r1

431

1.2.840.10045.3.0.20

c2tnb431r1

 

571

1.3.132.0.38

 

K-571

sect571k1

571

1.3.132.0.39

 

B-571

sect571r1

Supported twisted Edward curve domain parameters

ECCElerate™ supports twisted Edward curves via iaik.security.ec.ec.EdStandardizedParameterFactory. You can either provide the curve name ( getParametersByName(name) method) or the object identifier ( getParametersByOID(oid) method). The instances named starting with Curve are for use in the context of X25519 and X448. The instances named starting with Edwards are for use in the context of EdDSA.

Name

OID

Curve25519

1.3.101.110

Curve448

1.3.101.111

Edwards25519

1.3.101.112

Edwards448

1.3.101.113

 

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