PingFederateKerberosWSTrustSTS.xml

Request:
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
    <soap:Header>
        <wsa:Action>http://schemas.xmlsoap.org/ws/2005/02/trust/RST/Issue</wsa:Action>
        <wsa:MessageID>urn:uuid:259dd3b9-d057-406a-8e1e-fcb177483cc8</wsa:MessageID>
        <wsa:ReplyTo>
            <wsa:Address>http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous</wsa:Address>
        </wsa:ReplyTo>
        <wsa:To>https://epbyminw1763t56.cluster.dom:9031/idp/sts.wst?TokenProcessorId=Kerberos</wsa:To>
        <wsse:Security soap:mustUnderstand="1">
            <wsu:Timestamp wsu:Id="Timestamp-c5e11f40-6f6f-44b7-996f-1653eb171acf">
                <wsu:Created>2017-05-06T08:59:43Z</wsu:Created>
                <wsu:Expires>2017-05-06T09:04:43Z</wsu:Expires>
            </wsu:Timestamp>
            <wsse:BinarySecurityToken ValueType="http://docs.oasis-open.org/wss/oasis-wss-kerberos-token-profile-1.1#GSS_Kerberosv5_AP_REQ" EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" wsu:Id="SecurityToken-d222c214-40c4-4256-9bb8-299878baaf6c">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</wsse:BinarySecurityToken>
        </wsse:Security>
    </soap:Header>
    <soap:Body>
        <wst:RequestSecurityToken xmlns:wst="http://schemas.xmlsoap.org/ws/2005/02/trust">
            <wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>
            <wsp:AppliesTo xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
                <wsa:EndpointReference>
                    <wsa:Address>https://epbyminw1035t1/</wsa:Address>
                </wsa:EndpointReference>
            </wsp:AppliesTo>
            <wst:Lifetime>
                <wsu:Expires>2017-05-06T12:59:43Z</wsu:Expires>
            </wst:Lifetime>
            <wst:OnBehalfOf>
                <wsse:SecurityTokenReference>
                    <wsse:Reference URI="#SecurityToken-d222c214-40c4-4256-9bb8-299878baaf6c" ValueType="http://docs.oasis-open.org/wss/oasis-wss-kerberos-token-profile-1.1#GSS_Kerberosv5_AP_REQ" />
                </wsse:SecurityTokenReference>
            </wst:OnBehalfOf>
        </wst:RequestSecurityToken>
    </soap:Body>
</soap:Envelope>

Response:
<?xml version="1.0" encoding="UTF-8"?>
<S11:Envelope xmlns:S11="http://schemas.xmlsoap.org/soap/envelope/">
    <S11:Header>
        <wsa:To xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous</wsa:To>
        <wsa:Action xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">http://schemas.xmlsoap.org/ws/2005/02/trust/RSTR/Issue</wsa:Action>
        <wsa:RelatesTo xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">urn:uuid:259dd3b9-d057-406a-8e1e-fcb177483cc8</wsa:RelatesTo>
        <wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" S11:mustUnderstand="1">
            <wsu:Timestamp xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="accc7e2f-846b-43f0-b670-ce1cfa164785">
                <wsu:Created>2017-05-06T09:00:53.204Z</wsu:Created>
                <wsu:Expires>2017-05-06T09:05:53.204Z</wsu:Expires>
            </wsu:Timestamp>
        </wsse:Security>
    </S11:Header>
    <S11:Body>
        <wst:RequestSecurityTokenResponse xmlns:wst="http://schemas.xmlsoap.org/ws/2005/02/trust">
            <wst:TokenType>http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0</wst:TokenType>
            <wst:RequestedSecurityToken>
                <saml:EncryptedAssertion xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion">
                    <xenc:EncryptedData xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" Type="http://www.w3.org/2001/04/xmlenc#Element">
                        <xenc:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc" />
                        <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
                            <xenc:EncryptedKey>
                                <xenc:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p">
                                    <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
                                </xenc:EncryptionMethod>
                                <ds:KeyInfo>
                                    <wsse:SecurityTokenReference xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd">
                                        <wsse:KeyIdentifier ValueType="http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1#ThumbprintSHA1">681uPNPwe+Xc5cMkCUiZlxk56tA=</wsse:KeyIdentifier>
                                    </wsse:SecurityTokenReference>
                                </ds:KeyInfo>
                                <xenc:CipherData>
                                    <xenc:CipherValue>MGc8G44sOyO18oHdpv4s9Uv6JFvugiejzWES95uhBgeYMtkBmwFYxt/kjtDialW5WqqK52nmZ7v3
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bTbqK+XGOJnNJPOsRGwFsSryiO9rZq8Fs9FxyQ==</xenc:CipherValue>
                                </xenc:CipherData>
                            </xenc:EncryptedKey>
                        </ds:KeyInfo>
                        <xenc:CipherData>
                            <xenc:CipherValue>944QRl+Mo2rS+nreI5oAtE6tQlJdGJ8Wx62N/PepTBZcvJh0zcY4qzvGoaUd+fwLTB9LzrRD90mI
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hgOJHg5x0SsdwBREqBf9B/HZ1xepFYHUAA==</xenc:CipherValue>
                        </xenc:CipherData>
                    </xenc:EncryptedData>
                </saml:EncryptedAssertion>
            </wst:RequestedSecurityToken>
            <wst:Lifetime>
                <wsu:Created xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">2017-05-06T09:00:53.047Z</wsu:Created>
                <wsu:Expires xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">2017-05-06T09:30:53.047Z</wsu:Expires>
            </wst:Lifetime>
            <wst:RequestedAttachedReference>
                <wsse:SecurityTokenReference xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsse11="http://docs.oasis-open.org/wss/oasis-wss-wssecurity-secext-1.1.xsd" wsse11:TokenType="http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0">
                    <wsse:KeyIdentifier ValueType="http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLID">FrHqN0d4pwLUk27_Zg6S5bDfRz_</wsse:KeyIdentifier>
                </wsse:SecurityTokenReference>
            </wst:RequestedAttachedReference>
            <wst:RequestedProofToken>
                <wst:BinarySecret xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="" Type="http://schemas.xmlsoap.org/ws/2005/02/trust/SymmetricKey">ag50mZkU/2ukM9XmTSp5Dg==</wst:BinarySecret>
            </wst:RequestedProofToken>
            <wsp:AppliesTo xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy">
                <wsa:EndpointReference xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing">
                    <wsa:Address>https://epbyminw1035t1/</wsa:Address>
                </wsa:EndpointReference>
            </wsp:AppliesTo>
        </wst:RequestSecurityTokenResponse>
    </S11:Body>
</S11:Envelope>

Some explanation of System.ArgumentException: WSE2351: Incorrect size for key material, expected 32 bytes.
The Microsoft.Web.Services3 does not support 256 bit keys for Kerberos tokens