- await opensslExecPromise('genrsa', genRsaOptions)
- logger.info('RSA key generated.')
- logger.info('Managing public key...')
+ const signatureCopy = cloneDeep(signedDocument.signature)
+ Object.assign(signatureCopy, {
+ '@context': [
+ 'https://w3id.org/security/v1',
+ { RsaSignature2017: 'https://w3id.org/security#RsaSignature2017' }
+ ]
+ })
+ delete signatureCopy.type
+ delete signatureCopy.id
+ delete signatureCopy.signatureValue
+
+ const docWithoutSignature = cloneDeep(signedDocument)
+ delete docWithoutSignature.signature
+
+ const [ documentHash, optionsHash ] = await Promise.all([
+ hash(docWithoutSignature),
+ hash(signatureCopy)
+ ])
+
+ const toVerify = optionsHash + documentHash
+
+ const verify = createVerify('RSA-SHA256')
+ verify.update(toVerify, 'utf8')