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To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	INQUIRY: Export Classification Controls
Thread-Topic:	INQUIRY: Export Classification Controls
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Date:	Wed, 28 Oct 2020 22:16:40 +0000
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From:	"Hahn, Michelle via Cygwin" <cygwin AT cygwin DOT com>
Reply-To:	"Hahn, Michelle" <mhahn AT deloitte DOT com>
Sender:	"Cygwin" <cygwin-bounces AT cygwin DOT com>

Dear Cygwin,

My name is Michelle Hahn and I am a Tax Consultant I in the export controls practice at Deloitte. We are conducting an internal risk assessment of our client's third party software, which includes Cygwin. We would like to know if you have assigned an export control classification to Cygwin. If so, can you please share the ECCN with us. Export control classification numbers (sometimes called ECCNs) are specific alpha numeric codes that indicate whether the product or software needs an authorization to be exported. Some examples of export classification numbers for software could be 5A002, 5D002, or 5A992. If not, can you please answer the following questions related to the application and its capabilities:

1
What is the commercial purpose of the application?
2
Is one of the primary functions of the application communications/networking e.g. chatting or instant messaging using text, images and video?
3
Has the software been designed for use with any machinery? i.e. Operation of a device such as exploration equipment? If yes, please provide details
4
How can the software be purchased e.g. through a website or as part of a service provision?
5
Which devices is the software typically downloaded to? i.e. phone, tablet, asset shared computer?
6
Does the software (including any of the sub applications) contain, use or call encryption (information security) functionality?

Please in your answer provide details of the sub applications with such functionality.
7
How does the software utilize cryptography? (commercially, what is it used for - i.e.. sending and receiving information, etc.)
8
Is the encryption functionality of the software limited to performing any of the following:
1.a "Authentication"
1.b "Digital Signature"
1.c "Data integrity"
1.d "Non-repudiation"
1.e Digital rights management including the execution of copy-protected software 1.f Encryption or decryption in support of entertainment, mass commercial broadcasts or medical records management; or,
1.g Key management in support of any function described above
9
Can users access or change cryptographic functionality in the software?
10
Is the software designed or modified to perform cryptanalytic functions?

Thank you,

Michelle Hahn
She/Her/Hers
Tax Consultant I | Global Trade Advisory
Deloitte Tax LLP
30 Rockefeller Plz Fl 41, New York, NY 10112
Tel/Direct: +1 212 436 3673 | Fax: +1 866 834 8710
mhahn AT deloitte DOT com<mailto:mhahn AT deloitte DOT com> | www.deloitte.com<http://www.deloitte.com/>


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