本文整理汇总了Java中java.security.AlgorithmConstraints.permits方法的典型用法代码示例。如果您正苦于以下问题：Java AlgorithmConstraints.permits方法的具体用法？Java AlgorithmConstraints.permits怎么用？Java AlgorithmConstraints.permits使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.security.AlgorithmConstraints的用法示例。
在下文中一共展示了AlgorithmConstraints.permits方法的7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: getSupportedAlgorithms
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
static Collection<SignatureAndHashAlgorithm>
getSupportedAlgorithms(AlgorithmConstraints constraints) {
Collection<SignatureAndHashAlgorithm> supported = new ArrayList<>();
synchronized (priorityMap) {
for (SignatureAndHashAlgorithm sigAlg : priorityMap.values()) {
if (sigAlg.priority <= SUPPORTED_ALG_PRIORITY_MAX_NUM &&
constraints.permits(SIGNATURE_PRIMITIVE_SET,
sigAlg.algorithm, null)) {
supported.add(sigAlg);
}
}
}
return supported;
}
示例2: createExtension
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
static SupportedEllipticCurvesExtension createExtension(
AlgorithmConstraints constraints) {
ArrayList<Integer> idList = new ArrayList<>(supportedCurveIds.length);
for (int curveId : supportedCurveIds) {
if (constraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT),
"EC", idToParams.get(curveId))) {
idList.add(curveId);
}
}
if (!idList.isEmpty()) {
int[] ids = new int[idList.size()];
int i = 0;
for (Integer id : idList) {
ids[i++] = id;
}
return new SupportedEllipticCurvesExtension(ids);
}
return null;
}
示例3: getPreferredGroup
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
NamedGroup getPreferredGroup(
AlgorithmConstraints constraints, NamedGroupType type) {
for (int groupId : requestedNamedGroupIds) {
NamedGroup namedGroup = NamedGroup.valueOf(groupId);
if ((namedGroup != null) && (namedGroup.type == type) &&
SupportedGroupsExtension.supports(namedGroup) &&
constraints.permits(EnumSet.of(CryptoPrimitive.KEY_AGREEMENT),
namedGroup.algorithm, namedGroupParams.get(namedGroup))) {
return namedGroup;
}
}
return null;
}
示例4: getPreferredCurve
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
private static int getPreferredCurve(int[] curves,
AlgorithmConstraints constraints) {
for (int curveId : curves) {
if (isSupported(curveId) && constraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT),
"EC", idToParams.get(curveId))) {
return curveId;
}
}
return -1;
}
示例5: getSupportedAlgorithms
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
static Collection<SignatureAndHashAlgorithm>
getSupportedAlgorithms(AlgorithmConstraints constraints) {
Collection<SignatureAndHashAlgorithm> supported = new ArrayList<>();
for (SignatureAndHashAlgorithm sigAlg : priorityMap.values()) {
if (sigAlg.priority <= SUPPORTED_ALG_PRIORITY_MAX_NUM &&
constraints.permits(SIGNATURE_PRIMITIVE_SET,
sigAlg.algorithm, null)) {
supported.add(sigAlg);
}
}
return supported;
}
示例6: getPreferredECGroup
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
static NamedGroup getPreferredECGroup(AlgorithmConstraints constraints) {
for (NamedGroup namedGroup : supportedNamedGroups) {
if ((namedGroup.type == NamedGroupType.NAMED_GROUP_ECDHE) &&
constraints.permits(EnumSet.of(CryptoPrimitive.KEY_AGREEMENT),
namedGroup.algorithm, namedGroupParams.get(namedGroup))) {
return namedGroup;
}
}
return null;
}
示例7: isActivatable
import java.security.AlgorithmConstraints; //导入方法依赖的package包/类
static boolean isActivatable(
AlgorithmConstraints constraints, NamedGroupType type) {
boolean hasFFDHEGroups = false;
for (NamedGroup namedGroup : supportedNamedGroups) {
if (namedGroup.type == type) {
if (constraints.permits(
EnumSet.of(CryptoPrimitive.KEY_AGREEMENT),
namedGroup.algorithm,
namedGroupParams.get(namedGroup))) {
return true;
}
if (!hasFFDHEGroups &&
(type == NamedGroupType.NAMED_GROUP_FFDHE)) {
hasFFDHEGroups = true;
}
}
}
// For compatibility, if no FFDHE groups are defined, the non-FFDHE
// compatible mode (using DHE cipher suite without FFDHE extension)
// is allowed.
//
// Note that the constraints checking on DHE parameters will be
// performed during key exchanging in a handshake.
if (!hasFFDHEGroups && (type == NamedGroupType.NAMED_GROUP_FFDHE)) {
return true;
}
return false;
}