fun replaceSigners()

in jvm/src/main/kotlin/com/jetbrains/signatureverifier/bouncycastle/cms/CMSSignedData.kt [455:501]

28 lines of code
3 McCabe index (conditional complexity)


    fun replaceSigners(
      signedData: CMSSignedData,
      signerInformationStore: SignerInformationStore
    ): CMSSignedData {
      //
      // copy
      //
      val cms = CMSSignedData(signedData)

      //
      // replace the store
      //
      cms.signerInfoStore = signerInformationStore

      //
      // replace the signers in the SignedData object
      //
      val digestAlgs: MutableSet<AlgorithmIdentifier> = HashSet()
      var vec = ASN1EncodableVector()
      val it: Iterator<*> = signerInformationStore.signers.iterator()
      while (it.hasNext()) {
        val signer = it.next() as SignerInformation
        CMSUtils.addDigestAlgs(digestAlgs, signer, dgstAlgFinder)
        vec.add(signer.toASN1Structure())
      }
      val digests = CMSUtils.convertToBERSet(digestAlgs)
      val signers: ASN1Set = DLSet(vec)
      val sD = signedData.signedData.toASN1Primitive() as ASN1Sequence
      vec = ASN1EncodableVector()

      //
      // signers are the last item in the sequence.
      //
      vec.add(sD.getObjectAt(0)) // version
      vec.add(digests)
      for (i in 2 until sD.size() - 1) {
        vec.add(sD.getObjectAt(i))
      }
      vec.add(signers)
      cms.signedData = SignedData.getInstance(BERSequence(vec))

      //
      // replace the contentInfo with the new one
      //
      cms.contentInfo = ContentInfo(cms.contentInfo.contentType, cms.signedData)
      return cms
    }