Getting the following error when downloading form Safari 6.1

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<Error>
<Code>SignatureDoesNotMatch</Code>
<Message>
The request signature we calculated does not match the signature you provided. Check your key and signing method.
</Message>
<StringToSignBytes>
47 45 54 0a 0a 0a 0a 78 2d 61 6d 7a 2d 63 66 2d 69 64 3a 55 30 61 33 64 64 44 6b 64 63 6d 72 54 49 52 34 65 73 42 4f 7a 58 68 62 4d 33 32 41 5f 63 76 6f 45 6b 58 78 7a 2d 35 70 44 65 64 4f 35 73 45 42 57 5a 6f 6f 7a 77 3d 3d 0a 78 2d 61 6d 7a 2d 64 61 74 65 3a 54 75 65 2c 20 32 39 20 4f 63 74 20 32 30 31 33 20 30 36 3a 31 34 3a 32 39 20 47 4d 54 0a 2f 70 72 69 76 61 74 65 2e 66 73 2e 73 65 72 61 74 6f 2e 63 6f 6d 2f 37 37 2f 31 31 35 35 37 37 2f 31 31 35 35 37 37
</StringToSignBytes>
<RequestId>C3A1C099699A7836</RequestId>
<HostId>
BdODkOws4TLGxiPC+YvQmI6zc2+7LSASHZBxT4STzigRjA2JyeE5BnJtTlzoyidE
</HostId>
<SignatureProvided>wFDMjDL/Y+iL8MANWENulNYek6c=</SignatureProvided>
<StringToSign>
GET x-amz-cf-id:U0a3ddDkdcmrTIR4esBOzXhbM32A_cvoEkXxz-5pDedO5sEBWZoozw== x-amz-date:Tue, 29 Oct 2013 06:14:29 GMT /private.fs.serato.com/77/115577/115577
</StringToSign>
<AWSAccessKeyId>AKIAJ3LUU5NP6DBV4UPA</AWSAccessKeyId>