User767179363 posted
I am uzing Azure.Storage.Blobs in a .NET5 targeted application. I am using BlobClient.UploadAsync to upload an image loaded into a memory stream to our Azure CDN storage service. When this function executes, I get an error saying "System.PlatformNotSupportedException:
System.Security.Cryptography.Algorithms is not supported on this platform." This happens whether I use the latest stable v12.6.0 release or the v12.7.0-preview.1 release of Azure.Storage.Blobs.
This may be related to the fact that HMAC encryption is not supported (https://github.com/Azure/azure-cosmos-dotnet-v3/issues/1865)
If that's the case, why is this built-in Azure library trying to implement this encryption algorithm, and how can I upload BLOBs without this happening using the SDK?
Here is the stack trace:
System.PlatformNotSupportedException: System.Security.Cryptography.Algorithms is not supported on this platform.
at System.Security.Cryptography.HMACSHA256..ctor(Byte[] key)
at Azure.Storage.StorageSharedKeyCredential.ComputeHMACSHA256(String message)
at Azure.Storage.StorageSharedKeyCredential.ComputeSasSignature(StorageSharedKeyCredential credential, String message)
at Azure.Storage.StorageSharedKeyCredentialInternals.ComputeSasSignature(StorageSharedKeyCredential credential, String message)
at Azure.Storage.StorageSharedKeyPipelinePolicy.OnSendingRequest(HttpMessage message)
at Azure.Core.Pipeline.HttpPipelineSynchronousPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline)
at Azure.Core.Pipeline.HttpPipelineSynchronousPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline)
at Azure.Core.Pipeline.RetryPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline, Boolean async)
at Azure.Core.Pipeline.RetryPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline, Boolean async)
at Azure.Core.Pipeline.HttpPipelineSynchronousPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline)
at Azure.Core.Pipeline.HttpPipelineSynchronousPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline)
at Azure.Core.Pipeline.HttpPipelineSynchronousPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory`1 pipeline)
at Azure.Storage.Blobs.BlobRestClient.BlockBlob.UploadAsync(ClientDiagnostics clientDiagnostics, HttpPipeline pipeline, Uri resourceUri, Stream body, Int64 contentLength, String version, Nullable`1 timeout, Byte[] transactionalContentHash, String
blobContentType, String blobContentEncoding, String blobContentLanguage, Byte[] blobContentHash, String blobCacheControl, IDictionary`2 metadata, String leaseId, String blobContentDisposition, String encryptionKey, String encryptionKeySha256, Nullable`1 encryptionAlgorithm,
String encryptionScope, Nullable`1 tier, Nullable`1 ifModifiedSince, Nullable`1 ifUnmodifiedSince, Nullable`1 ifMatch, Nullable`1 ifNoneMatch, String ifTags, String requestId, String blobTagsString, Boolean async, String operationName, CancellationToken cancellationToken)
at Azure.Storage.Blobs.Specialized.BlockBlobClient.UploadInternal(Stream content, BlobHttpHeaders blobHttpHeaders, IDictionary`2 metadata, IDictionary`2 tags, BlobRequestConditions conditions, Nullable`1 accessTier, IProgress`1 progressHandler,
String operationName, Boolean async, CancellationToken cancellationToken)
at Azure.Storage.Blobs.Specialized.BlockBlobClient.<>c__DisplayClass48_0.<<GetPartitionedUploaderBehaviors>b__0>d.MoveNext()
--- End of stack trace from previous location ---
at Azure.Storage.PartitionedUploader`2.<UploadInternal>d__19[[Azure.Storage.Blobs.Models.BlobUploadOptions, Azure.Storage.Blobs, Version=12.6.0.0, Culture=neutral, PublicKeyToken=92742159e12e44c8],[Azure.Storage.Blobs.Models.BlobContentInfo, Azure.Storage.Blobs,
Version=12.6.0.0, Culture=neutral, PublicKeyToken=92742159e12e44c8]].MoveNext()
at Azure.Storage.Blobs.BlobClient.StagedUploadInternal(Stream content, BlobUploadOptions options, Boolean async, CancellationToken cancellationToken)
at [the location in the program where I call UploadAsync)
