Thanks Eric. - Tarun
On Wed, May 29, 2019 at 6:19 AM 'Eric Koleda' via Google Spreadsheets API < google-spreadsheets-api@googlegroups.com> wrote: > The link was broken, but it's been fixed now. Sorry for the trouble. > > - Eric > > On Tue, May 28, 2019 at 4:03 AM Tarun Sharma <tsharma.oc...@gmail.com> > wrote: > >> Hi Eric, >> >> This might be too late but I am having the same problem the link doesn't >> work (The group doesn't exists). Can you please redirect me to right link? >> >> On Friday, September 22, 2017 at 11:29:36 PM UTC+5:30, Eric Koleda wrote: >>> >>> Unfortunately we don't provide an auth library for iOS that supports >>> service accounts. The issue has come up before, and here's an answer from >>> one the engineers on the project: >>> >>> >>> https://groups.google.com/forum/#!topic/google-api-objectivec-client/sroY7ZeGSCY >>> >>> Best, >>> - Eric >>> >>> On Thursday, September 21, 2017 at 6:00:32 PM UTC-4, Fernando Embrioni >>> wrote: >>>> >>>> Hi, >>>> >>>> We're developing an ios app (swift programming) that should write usage >>>> data on a Google Spreadsheet. We don't want the user to sign-in for access >>>> to the sheet, that's why we got a Service Account from Google. But at this >>>> moment we're stuck trying to get a SecKey from the private key Google gave >>>> us. >>>> >>>> Our first attempt was trying to find a library (and documentation) in >>>> order to not reinvent the wheel, but we didn't find one or didn't >>>> understand how to use it (We have been trying AppAuth but the usage >>>> examples always ask for a user sign-in. >>>> >>>> So, we start to write code for HTTP/REST authorized api call (As it >>>> stands in >>>> https://developers.google.com/identity/protocols/OAuth2ServiceAccount >>>> ), but for computing the signature we're getting an error when trying to >>>> get a SecKey from the private key Google gave us. >>>> >>>> This is code from a Playground showing the problem: >>>> >>>> >>>> let privateKey = "MIIEv....qgWKa+VH6w==" // privateKey has many more >>>> characters (1649 characters in total) >>>> >>>> let privateKeyData = privateKey.data(using: String.Encoding.utf8) >>>> >>>> let base64privateKeyData = privateKeyData?.base64EncodedData() >>>> >>>> >>>> // We tried different values of kSecAttrKeySizeInBits (256, 512, 1024, >>>> 2048 and 4096) an none of them worked >>>> >>>> let keyDict:[NSObject:NSObject] = [ >>>> >>>> kSecAttrKeyType: kSecAttrKeyTypeRSA, >>>> >>>> kSecAttrKeyClass: kSecAttrKeyClassPrivate, >>>> >>>> kSecAttrKeySizeInBits: NSNumber(value: 4096), >>>> >>>> kSecReturnPersistentRef: true as NSObject >>>> >>>> ] >>>> >>>> >>>> let cfData = base64privateKeyData! as CFData >>>> >>>> >>>> var error: Unmanaged<CFError>? >>>> >>>> let publicKey = SecKeyCreateWithData(cfData, keyDict as CFDictionary, & >>>> error) >>>> >>>> >>>> NSLog(error.debugDescription) >>>> >>>> >>>> >>>> The log output is as follows: >>>> >>>> >>>> *2017-09-21 18:53:00.301 OAuthPlayground[32447:7458540] >>>> Optional(Swift.Unmanaged<__ObjC.CFError>(_value: Error >>>> Domain=NSOSStatusErrorDomain Code=-50 "RSA private key creation from data >>>> failed" UserInfo={NSDescription=RSA private key creation from data >>>> failed}))* >>>> >>>> >>>> >>>> Can anyone help us, please. >>>> >>>> >>>> Thanks, >>>> >>>> >>>> Fernando >>>> >>>> >>>> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "Google Spreadsheets API" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/google-spreadsheets-api/1cVtts77HLY/unsubscribe >> . >> To unsubscribe from this group and all its topics, send an email to >> google-spreadsheets-api+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/google-spreadsheets-api/1d3ef6a0-deaf-42e2-891a-d65db886afb6%40googlegroups.com >> <https://groups.google.com/d/msgid/google-spreadsheets-api/1d3ef6a0-deaf-42e2-891a-d65db886afb6%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Google Spreadsheets API" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to google-spreadsheets-api+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/google-spreadsheets-api/CAC5MyANHmxg6qpaYyJsgmqaiO6jWtQPrkp0BH8jGzJRUY%2BUjTg%40mail.gmail.com > <https://groups.google.com/d/msgid/google-spreadsheets-api/CAC5MyANHmxg6qpaYyJsgmqaiO6jWtQPrkp0BH8jGzJRUY%2BUjTg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Google Spreadsheets API" group. 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