Private/Update-SHA256AlgXmlDSigSupport.ps1
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function Update-SHA256AlgXmlDSigSupport { try { Add-Type @' public class RSAPKCS1SHA256SignatureDescription : System.Security.Cryptography.SignatureDescription { public RSAPKCS1SHA256SignatureDescription() { base.KeyAlgorithm = "System.Security.Cryptography.RSACryptoServiceProvider"; base.DigestAlgorithm = "System.Security.Cryptography.SHA256Managed"; base.FormatterAlgorithm = "System.Security.Cryptography.RSAPKCS1SignatureFormatter"; base.DeformatterAlgorithm = "System.Security.Cryptography.RSAPKCS1SignatureDeformatter"; } public override System.Security.Cryptography.AsymmetricSignatureDeformatter CreateDeformatter(System.Security.Cryptography.AsymmetricAlgorithm key) { System.Security.Cryptography.AsymmetricSignatureDeformatter asymmetricSignatureDeformatter = (System.Security.Cryptography.AsymmetricSignatureDeformatter) System.Security.Cryptography.CryptoConfig.CreateFromName(base.DeformatterAlgorithm); asymmetricSignatureDeformatter.SetKey(key); asymmetricSignatureDeformatter.SetHashAlgorithm("SHA256"); return asymmetricSignatureDeformatter; } } '@ $RSAPKCS1SHA256SignatureDescription = New-Object RSAPKCS1SHA256SignatureDescription [System.Security.Cryptography.CryptoConfig]::AddAlgorithm($RSAPKCS1SHA256SignatureDescription.GetType(), "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256") } catch { Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText processRPCouldNotAddSHA256AsValidSignatureAlgorithm) -MajorFault } } |