function verifyOneShot(algorithm, data, key, signature) {
if (algorithm != null)
validateString(algorithm, 'algorithm');
if (!isArrayBufferView(data)) {
throw new ERR_INVALID_ARG_TYPE(
'data',
['Buffer', 'TypedArray', 'DataView'],
data
);
}
const {
data: keyData,
format: keyFormat,
type: keyType,
passphrase: keyPassphrase
} = preparePublicOrPrivateKey(key);
// Options specific to RSA
const rsaPadding = getPadding(key);
const pssSaltLength = getSaltLength(key);
if (!isArrayBufferView(signature)) {
throw new ERR_INVALID_ARG_TYPE(
'signature',
['Buffer', 'TypedArray', 'DataView'],
signature
);
}
return _verifyOneShot(keyData, keyFormat, keyType, keyPassphrase, signature,
data, algorithm, rsaPadding, pssSaltLength);
}
return (options, buffer) => {
const { format, type, data, passphrase } =
keyType === 'private' ?
preparePrivateKey(options) :
preparePublicOrPrivateKey(options);
const padding = options.padding || defaultPadding;
return method(data, format, type, passphrase, buffer, padding);
};
Verify.prototype.verify = function verify(options, signature, sigEncoding) {
const {
data,
format,
type,
passphrase
} = preparePublicOrPrivateKey(options, true);
sigEncoding = sigEncoding || getDefaultEncoding();
// Options specific to RSA
var rsaPadding = getPadding(options);
var pssSaltLength = getSaltLength(options);
signature = validateArrayBufferView(toBuf(signature, sigEncoding),
'signature');
return this[kHandle].verify(data, format, type, passphrase, signature,
rsaPadding, pssSaltLength);
};