SignatureDoesNotMatch when Uploading an asset - Adobe Community

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/t5/acrobat-services-api-discussions/signaturedoesnotmatch-when-uploading-an-asset/td-p/13331345 Nov 08, 2022 Nov 08, 2022

I followed the instruction listed here , but when I try to upload the file with provided "uploadUri" I get this error:

[Error][Code]SignatureDoesNotMatch[/Code][Message]The request signature we calculated does not match the signature you provided. Check your key and signing method.[/Message][AWSAccessKeyId]KEY...[/AWSAccessKeyId][StringToSign]AWS4-HMAC-SHA256
20221108T222827Z
20221108/us-east-1/s3/aws4_request
386e018a9d39e5c126cb35e9366ade0c6a7b267ca8347590bfc856b71bf96cb3[/StringToSign][SignatureProvided]623c64479269adb7af1375f06c4e0d14b5ec7eb2ab50d7aa9c221b6112c5dc35[/SignatureProvided][StringToSignBytes]41 57 53 34 2d 48 4d 41 43 2d 53 48 41 32 35 36 0a 32 30 32 32 31 31 30 38 54 32 32 32 38 32 37 5a 0a 32 30 32 32 31 31 30 38 2f 75 73 2d 65 61 73 74 2d 31 2f 73 33 2f 61 77 73 34 5f 72 65 71 75 65 73 74 0a 33 38 36 65 30 31 38 61 39 64 33 39 65 35 63 31 32 36 63 62 33 35 65 39 33 36 36 61 64 65 30 63 36 61 37 62 32 36 37 63 61 38 33 34 37 35 39 30 62 66 63 38 35 36 62 37 31 62 66 39 36 63 62 33[/StringToSignBytes][CanonicalRequest]POST
/6d976ff2-6700-45d4-943f-17c2e15918ac
X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=KEY...%2F20221108%2Fus-east-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20221108T222827Z&amp;X-Amz-Expires=3600&amp;X-Amz-Security-Token=FwoGZXIvYXdzEGgaDH131EfcKwALhyj28CLUAcmmJCUZhJ%2FeyNxzNlGI%2FtpPuRHoDWnzaOP4enDERG9JO2%2Bt94P0fg%2BzZ7klSJyYmM%2BnTS1ZFkhHisSP08%2Bc4WJc6EUt%2BjlpHBdDHYi6IQyYVAHEuMKI7CzsiK5WSnSdCTFp4I%2FltPaQ18Pr9lJ14CcYaCaFt4ndEeazU8wUOscpBDQ8MyQ12KPJKpDNMnIpwGYzf4egnmc22X1E2XUTzljaqM7wv%2FWw7N%2BX2nFl6RzL1Ti2xkAiWYCO3avwQD9XgRGLm9yZYF11KSVxaYHNNeWy1R5qKOysq5sGMi37mHZIeKsvJbZehFIDAgHAF3Bj2%2B9%2FtJpai1RJeZieCrCV6sOwGNQIP3yfo5g%3D&amp;X-Amz-SignedHeaders=content-type%3Bhost
content-type:application/json
host:dcplatformstorageservice-prod-us-east-1.s3-accelerate.amazonaws.com

content-type;host
UNSIGNED-PAYLOAD[/CanonicalRequest][CanonicalRequestBytes]50 4f 53 54 0a 2f 36 64 39 37 36 66 66 32 2d 36 37 30 30 2d 34 35 64 34 2d 39 34 33 66 2d 31 37 63 32 65 31 35 39 31 38 61 63 0a 58 2d 41 6d 7a 2d 41 6c 67 6f 72 69 74 68 6d 3d 41 57 53 34 2d 48 4d 41 43 2d 53 48 41 32 35 36 26 58 2d 41 6d 7a 2d 43 72 65 64 65 6e 74 69 61 6c 3d 41 53 49 41 57 44 32 4e 37 45 56 50 49 32 43 42 54 56 57 49 25 32 46 32 30 32 32 31 31 30 38 25 32 46 75 73 2d 65 61 73 74 2d 31 25 32 46 73 33 25 32 46 61 77 73 34 5f 72 65 71 75 65 73 74 26 58 2d 41 6d 7a 2d 44 61 74 65 3d 32 30 32 32 31 31 30 38 54 32 32 32 38 32 37 5a 26 58 2d 41 6d 7a 2d 45 78 70 69 72 65 73 3d 33 36 30 30 26 58 2d 41 6d 7a 2d 53 65 63 75 72 69 74 79 2d 54 6f 6b 65 6e 3d 46 77 6f 47 5a 58 49 76 59 58 64 7a 45 47 67 61 44 48 31 33 31 45 66 63 4b 77 41 4c 68 79 6a 32 38 43 4c 55 41 63 6d 6d 4a 43 55 5a 68 4a 25 32 46 65 79 4e 78 7a 4e 6c 47 49 25 32 46 74 70 50 75 52 48 6f 44 57 6e 7a 61 4f 50 34 65 6e 44 45 52 47 39 4a 4f 32 25 32 42 74 39 34 50 30 66 67 25 32 42 7a 5a 37 6b 6c 53 4a 79 59 6d 4d 25 32 42 6e 54 53 31 5a 46 6b 68 48 69 73 53 50 30 38 25 32 42 63 34 57 4a 63 36 45 55 74 25 32 42 6a 6c 70 48 42 64 44 48 59 69 36 49 51 79 59 56 41 48 45 75 4d 4b 49 37 43 7a 73 69 4b 35 57 53 6e 53 64 43 54 46 70 34 49 25 32 46 6c 74 50 61 51 31 38 50 72 39 6c 4a 31 34 43 63 59 61 43 61 46 74 34 6e 64 45 65 61 7a 55 38 77 55 4f 73 63 70 42 44 51 38 4d 79 51 31 32 4b 50 4a 4b 70 44 4e 4d 6e 49 70 77 47 59 7a 66 34 65 67 6e 6d 63 32 32 58 31 45 32 58 55 54 7a 6c 6a 61 71 4d 37 77 76 25 32 46 57 77 37 4e 25 32 42 58 32 6e 46 6c 36 52 7a 4c 31 54 69 32 78 6b 41 69 57 59 43 4f 33 61 76 77 51 44 39 58 67 52 47 4c 6d 39 79 5a 59 46 31 31 4b 53 56 78 61 59 48 4e 4e 65 57 79 31 52 35 71 4b 4f 79 73 71 35 73 47 4d 69 33 37 6d 48 5a 49 65 4b 73 76 4a 62 5a 65 68 46 49 44 41 67 48 41 46 33 42 6a 32 25 32 42 39 25 32 46 74 4a 70 61 69 31 52 4a 65 5a 69 65 43 72 43 56 36 73 4f 77 47 4e 51 49 50 33 79 66 6f 35 67 25 33 44 26 58 2d 41 6d 7a 2d 53 69 67 6e 65 64 48 65 61 64 65 72 73 3d 63 6f 6e 74 65 6e 74 2d 74 79 70 65 25 33 42 68 6f 73 74 0a 63 6f 6e 74 65 6e 74 2d 74 79 70 65 3a 61 70 70 6c 69 63 61 74 69 6f 6e 2f 6a 73 6f 6e 0a 68 6f 73 74 3a 64 63 70 6c 61 74 66 6f 72 6d 73 74 6f 72 61 67 65 73 65 72 76 69 63 65 2d 70 72 6f 64 2d 75 73 2d 65 61 73 74 2d 31 2e 73 33 2d 61 63 63 65 6c 65 72 61 74 65 2e 61 6d 61 7a 6f 6e 61 77 73 2e 63 6f 6d 0a 0a 63 6f 6e 74 65 6e 74 2d 74 79 70 65 3b 68 6f 73 74 0a 55 4e 53 49 47 4e 45 44 2d 50 41 59 4c 4f 41 44[/CanonicalRequestBytes][RequestId]DHBWWFR3HH09S3SF[/RequestId][HostId]nUYw2Iqv64bBmxH2IOZKlUcb/7I1ylbb6ikkAkdYmqns9yvP6RMMsktpPhoEOvbvjDFOq5Vrm6E=[/HostId][/Error]

Community guidelines

Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more /t5/acrobat-services-api-discussions/signaturedoesnotmatch-when-uploading-an-asset/m-p/13342775#M5086 Nov 14, 2022 Nov 14, 2022

Community guidelines

-In Postman I create the asset through the /assets endpoint: https://pdf-services.adobe.io/assets
Response is a uploadUri and assetID
Then I do a PUT request to the uploadUri
- Authentication by parameters set in the received uploadUri

And then suddenly I saw my user mistake! In the PUT call the Content-Type didn't match with the content-type of the asset I created. Once I changed the content-type, the flow worked!

So my solution was to change the content-type in the PUT call to the Adobe storage service to match it to the content-type of the asset created in the /assets POST request.

Community guidelines

Hi,

It may also be related to the content of the body (file to upload) itself.

With Postman, when I try importing a file in a binary body it will work but if I try to copy the content of a file in a form-data body it will give me the same error as you even though there's no change in the signature of the request.

I'm still trying to make it work...

Community guidelines

Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more