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DkimHashStream ArgumentOutOfRangeException #188

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breedbekkikker opened this issue Nov 17, 2015 · 2 comments
Closed

DkimHashStream ArgumentOutOfRangeException #188

breedbekkikker opened this issue Nov 17, 2015 · 2 comments
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@breedbekkikker
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A System.ArgumentOutOfRangeException occurs at MimeKit.Cryptography.DkimHashStream.ValidateArguments when calculating the DKIM body hash during verification. It concerns a 4096 bytes buffer where the last three bytes are [CR][LF][CR] and the first byte of the next 4096 bytes buffer is [LF].

See attached file for an example. Both relaxed and simple body canonicalization methods are affected.

message.txt
@jstedfast jstedfast added the bug Something isn't working label Nov 17, 2015
jstedfast added a commit that referenced this issue Nov 17, 2015
@jstedfast
Fixed DKIM body filters to reserve extra space in the output buffer
3405909 
Fixes issue #188
@jstedfast
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I've released MimeKit 1.2.15 to nuget.org with a fix for this.

@breedbekkikker
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Thanks! It's working fine now.

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@jstedfast @breedbekkikker