importcom.nimbusds.jose.JWEAlgorithm;//导入依赖的package包/类publicStringencrypt(String data, String keyId, String aesKey){try{byte[] keyBytes = Base64.decode(aesKey); SecretKeySpec secretKey =newSecretKeySpec(keyBytes,0, keyBytes.length,"AES");JWEAlgorithmjweAlgorithm =JWEAlgorithm.A256KW;...
为了验证有没有查找到,需要在调用端判断一下返回位置上的值和 key 是否相等。求开方69. Sqrt(x) (Easy)Input: 4 Output: 2 Input: 8 Output: 2 Explanation: The square root of 8 is 2.82842..., and since we want to return an integer, the decimal part will be truncated. 一个数 x 的开方 ...
They have proved their security using theorem for rejection sampling models, as the main focus of this technique is reducing the key size. So they have adaptive security than strong security. This scheme has “evaluation correctness” as signature verifies the correctness of the output and ...
if the specified key cannot be used to initialize this algorithm, or it is null. InvalidAlgorithmParameterException if the specified parameters cannot be used to initialize this algorithm. Remarks Initializes the MAC with the given (secret) key and algorithm parameters. Java documentation for javax...
The Java SE Security API requires and uses a set of standard names for algorithms, certificate and keystore types. You can find a list of standard algorithm names in this document. Note that an SE implementation may support additional algorithms that are not defined in this specification. As ...
*/ var ordered = weakForwardDependencies .Where(dependencyMap => dependencyMap.Key.SingleOrDefault() != null) .SelectMany(dependencyMap => dependencyMap.AsEnumerable()); // Add the remaining transforms from the original array before the semi-sorted ones. ITransform[] semiSorted = source.Except(...
toString() + '\t' + key)); } } 接下来是运行结果,在运行结果中可以看到,针对所有的行数据都构建成为了一个数组,每一个数组都是一个向量对象,可以看到其中数据对应的值在每一列都是对应的,其中1代表所属标记,0代表不属于。 简单来说就是在进行字典特征提取之前将每一个行数据作为了一种类别,在构造的...
MODEL_EXISTENCE_ONLYMeans that the column will be treated as having two possible states: Missing and Existing. A null is a missing value. Applies to mining model columns. Requirements A time series model must contain a key time column that contains unique values, input columns, and at least ...
Thereafter, it only takes constant time on average to look up something by its key (in this case, our key is the latitude and longitude coordinates, rounded into a grid; we search the adjacent gridspaces of which there are only 9, which is a constant). Our task went from an infeas...
# Print a maximal-length word and its path: print max(solve(), key=lambda (word, path): len(word)) Edit:Filter out words less than 3 letters long. Edit 2:I was curious why Kent Fredric's Perl solution was faster; it turns out to use regular-expression matching i...