diff options
Diffstat (limited to 'src/cz/crcs/ectester/common/ec/EC_Key.java')
| -rw-r--r-- | src/cz/crcs/ectester/common/ec/EC_Key.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/common/ec/EC_Key.java b/src/cz/crcs/ectester/common/ec/EC_Key.java new file mode 100644 index 0000000..a34b0e7 --- /dev/null +++ b/src/cz/crcs/ectester/common/ec/EC_Key.java @@ -0,0 +1,83 @@ +package cz.crcs.ectester.common.ec; + +import cz.crcs.ectester.applet.EC_Consts; + +/** + * An abstract-like EC key. Concrete implementations create a public and private keys. + * + * @author Jan Jancar johny@neuromancer.sk + */ +public class EC_Key extends EC_Params { + + private String curve; + private String desc; + + private EC_Key(short mask, String curve) { + super(mask); + this.curve = curve; + } + + private EC_Key(short mask, String curve, String desc) { + this(mask, curve); + this.desc = desc; + } + + private EC_Key(String id, short mask, String curve, String desc) { + this(mask, curve, desc); + this.id = id; + } + + public String getCurve() { + return curve; + } + + public String getDesc() { + return desc; + } + + /** + * An EC public key, contains the W parameter. + */ + public static class Public extends EC_Key { + + public Public(String curve) { + super(EC_Consts.PARAMETER_W, curve); + } + + public Public(String curve, String desc) { + super(EC_Consts.PARAMETER_W, curve, desc); + } + + public Public(String id, String curve, String desc) { + super(id, EC_Consts.PARAMETER_W, curve, desc); + } + + @Override + public String toString() { + return "<" + getId() + "> EC Public key, over " + getCurve() + (getDesc() == null ? "" : ": " + getDesc()); + } + } + + /** + * An EC private key, contains the S parameter. + */ + public static class Private extends EC_Key { + + public Private(String curve) { + super(EC_Consts.PARAMETER_S, curve); + } + + public Private(String curve, String desc) { + super(EC_Consts.PARAMETER_S, curve, desc); + } + + public Private(String id, String curve, String desc) { + super(id, EC_Consts.PARAMETER_S, curve, desc); + } + + @Override + public String toString() { + return "<" + getId() + "> EC Private key, over " + getCurve() + (getDesc() == null ? "" : ": " + getDesc()); + } + } +} |
