本文整理汇总了Java中org.interledger.cryptoconditions.PrefixSha256Fulfillment类的典型用法代码示例。如果您正苦于以下问题：Java PrefixSha256Fulfillment类的具体用法？Java PrefixSha256Fulfillment怎么用？Java PrefixSha256Fulfillment使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
PrefixSha256Fulfillment类属于org.interledger.cryptoconditions包，在下文中一共展示了PrefixSha256Fulfillment类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: readFulfillment
import org.interledger.cryptoconditions.PrefixSha256Fulfillment; //导入依赖的package包/类
/**
* Read a fulfillment from the underlying stream using OER encoding per the
* specification:
*
* Fulfillment ::= SEQUENCE { type ConditionType, payload OCTET STRING }
*
* ConditionType ::= INTEGER { preimageSha256(0), rsaSha256(1),
* prefixSha256(2), thresholdSha256(3), ed25519(4) } (0..65535)
*
* @return
* @throws IOException
* @throws OerDecodingException
* @throws UnsupportedConditionException
*/
public Fulfillment readFulfillment()
throws IOException, UnsupportedConditionException, OerDecodingException {
final ConditionType type = readConditiontype();
final FulfillmentPayload payload = new FulfillmentPayload(this.readPayload());
ByteArrayInputStream byteStream = new ByteArrayInputStream(payload.payload);
FulfillmentInputStream stream01 = new FulfillmentInputStream(byteStream);
try {
switch (type) {
case PREIMAGE_SHA256:
return new PreimageSha256Fulfillment(ConditionType.PREIMAGE_SHA256, payload);
case PREFIX_SHA256:
byte[] prefix = stream01.readOctetString();
Fulfillment subfulfillment = stream01.readFulfillment();
return new PrefixSha256Fulfillment(ConditionType.PREFIX_SHA256, payload, prefix, subfulfillment);
case RSA_SHA256:
/*
* REF: https://interledger.org/five-bells-condition/spec.html#rfc.section.4.4.2
* RsaSha256FulfillmentPayload ::= SEQUENCE {
* modulus OCTET STRING (SIZE(128..512)),
* signature OCTET STRING (SIZE(128..512))
* }
*/
byte[] bytesModulus = stream01.readOctetString();
byte[] bytesSignatureRSASHA256 = stream01.readOctetString();
BigInteger modulus = new BigInteger(1, bytesModulus); // TODO: RECHECK
SignaturePayload signature01 = new SignaturePayload(bytesSignatureRSASHA256);
return new RsaSha256Fulfillment(ConditionType.RSA_SHA256, payload, modulus, signature01);
case ED25519:
/*
* REF: https://interledger.org/five-bells-condition/spec.html#rfc.section.4.5.2
* Ed25519FulfillmentPayload ::= SEQUENCE {
* publicKey OCTET STRING (SIZE(32)),
* signature OCTET STRING (SIZE(64))
* }
*/
byte[] bytesPublicKey = stream01.readOctetString();
byte[] bytesSignatureEd25519 = stream01.readOctetString();
java.security.PublicKey publicKey = Ed25519Fulfillment.publicKeyFromByteArray(new KeyPayload(bytesPublicKey));
SignaturePayload signature02 = new SignaturePayload(bytesSignatureEd25519);
return new Ed25519Fulfillment(ConditionType.ED25519, payload, publicKey, signature02);
case THRESHOLD_SHA256:
int threshold = stream01.readVarUInt();
int conditionCount = stream01.readVarUInt();
java.util.List<Integer> weight_l = new java.util.ArrayList<Integer>();
java.util.List<Fulfillment> ff_l = new java.util.ArrayList<Fulfillment>();
for (int idx=0; idx < conditionCount; idx++) {
int weight = stream01.readVarUInt();
weight_l.add(weight);
Fulfillment ff = stream01.readFulfillment();
ff_l.add(ff);
}
return new ThresholdSHA256Fulfillment(ConditionType.THRESHOLD_SHA256, payload, threshold, weight_l, ff_l);
default:
throw new RuntimeException("Unimplemented fulfillment type encountered.");
}
} catch (Exception e) {
throw new RuntimeException(e.toString(), e);
} finally {
stream01.close();
}
}