- Posts: 11
- Joined: Tue May 03, 2016 3:40 am
- Points :150
I have two questions about Elliptic Curve Cryptography(ECC).
Code: Select all
private KeyPair keyPairA;
private KeyPair keyPairB;
keyPairA = KeyPair(KeyPair.ALG_EC_F2M,KeyBuilder.LENGTH_EC_F2M_113);
keyPairB = KeyPair(KeyPair.ALG_EC_FP,KeyBuilder.LENGTH_EC_FP_112);
Could anyone tell me what is the difference between ALG_EC_F2M and ALG_EC_FP ?
And is the second parameter the length of private key or public key?
- Posts: 25
- Joined: Mon Nov 30, 2015 3:02 am
- Points :192
It's recommended to check JavaCard API document
firstly.You will find the basic introduction about these.
public static final byte ALG_EC_F2M: KeyPair object containing an EC key pair for EC operations over fields of characteristic 2 with polynomial basis.
public static final byte ALG_EC_FP: KeyPair object containing an EC key pair for EC operations over large prime fields
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