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Updated manual and documentation
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Mark Qvist
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@ -134,10 +134,11 @@ be sufficient, even far into the future.
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By default Reticulum encrypts all data using elliptic curve cryptography and AES. Any packet sent to a
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destination is encrypted with a per-packet derived key. Reticulum can also set up an encrypted
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channel to a destination, called a *Link*. Both data sent over Links and single packets offer
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*Initiator Anonymity*, and links additionally offer *Forward Secrecy* by using an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. The multi-hop transport,
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coordination, verification and reliability layers are fully autonomous and also based on elliptic
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curve cryptography.
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*Initiator Anonymity*. Links additionally offer *Forward Secrecy* by default, employing an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. Asymmetric, link-less
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packet communication can also provide forward secrecy, with automatic key ratcheting, by enabling
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ratchets on a per-destination basis. The multi-hop transport, coordination, verification and reliability
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layers are fully autonomous and also based on elliptic curve cryptography.
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Reticulum also offers symmetric key encryption for group-oriented communications, as well as
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unencrypted packets for local broadcast purposes.
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@ -431,7 +432,7 @@ For exchanges of small amounts of information, Reticulum offers the *Packet* API
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* | A packet is always created with an associated destination and some payload data. When the packet is sent
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to a *single* destination type, Reticulum will automatically create an ephemeral encryption key, perform
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an ECDH key exchange with the destination's public key, and encrypt the information.
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an ECDH key exchange with the destination's public key (or ratchet key, if available), and encrypt the information.
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* | It is important to note that this key exchange does not require any network traffic. The sender already
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knows the public key of the destination from an earlier received *announce*, and can thus perform the ECDH
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@ -867,12 +868,14 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
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* HKDF for key derivation
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* Fernet for encrypted tokens
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* Modified Fernet for encrypted tokens
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* AES-128 in CBC mode
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* HMAC for message authentication
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* No Version and Timestamp metadata included
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* SHA-256
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* SHA-512
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@ -53,9 +53,9 @@ What does Reticulum Offer?
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* Forward Secrecy by using ephemeral Elliptic Curve Diffie-Hellman keys on Curve25519
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* Reticulum uses the `Fernet <https://github.com/fernet/spec/blob/master/Spec.md>`_ specification for on-the-wire / over-the-air encryption
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* Reticulum uses a modified version of the `Fernet <https://github.com/fernet/spec/blob/master/Spec.md>`_ specification for on-the-wire / over-the-air encryption
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* All keys are ephemeral and derived from an ECDH key exchange on Curve25519
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* Keys are ephemeral and derived from an ECDH key exchange on Curve25519
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* AES-128 in CBC mode with PKCS7 padding
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@ -63,6 +63,8 @@ What does Reticulum Offer?
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* IVs are generated through os.urandom()
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* No Version and Timestamp metadata included
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* Unforgeable packet delivery confirmations
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* A variety of supported interface types
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File diff suppressed because one or more lines are too long
@ -360,10 +360,11 @@ be sufficient, even far into the future.</p>
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<p>By default Reticulum encrypts all data using elliptic curve cryptography and AES. Any packet sent to a
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destination is encrypted with a per-packet derived key. Reticulum can also set up an encrypted
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channel to a destination, called a <em>Link</em>. Both data sent over Links and single packets offer
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<em>Initiator Anonymity</em>, and links additionally offer <em>Forward Secrecy</em> by using an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. The multi-hop transport,
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coordination, verification and reliability layers are fully autonomous and also based on elliptic
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curve cryptography.</p>
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<em>Initiator Anonymity</em>. Links additionally offer <em>Forward Secrecy</em> by default, employing an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. Asymmetric, link-less
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packet communication can also provide forward secrecy, with automatic key ratcheting, by enabling
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ratchets on a per-destination basis. The multi-hop transport, coordination, verification and reliability
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layers are fully autonomous and also based on elliptic curve cryptography.</p>
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<p>Reticulum also offers symmetric key encryption for group-oriented communications, as well as
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unencrypted packets for local broadcast purposes.</p>
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<p>Reticulum can connect to a variety of interfaces such as radio modems, data radios and serial ports,
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@ -639,7 +640,7 @@ expect. Reticulum offers two ways to do this.</p>
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<li><div class="line-block">
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<div class="line">A packet is always created with an associated destination and some payload data. When the packet is sent
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to a <em>single</em> destination type, Reticulum will automatically create an ephemeral encryption key, perform
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an ECDH key exchange with the destination’s public key, and encrypt the information.</div>
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an ECDH key exchange with the destination’s public key (or ratchet key, if available), and encrypt the information.</div>
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</div>
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</li>
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<li><div class="line-block">
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@ -1068,10 +1069,11 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
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<li><p>Ed25519 for signatures</p></li>
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<li><p>X25519 for ECDH key exchanges</p></li>
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<li><p>HKDF for key derivation</p></li>
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<li><p>Fernet for encrypted tokens</p>
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<li><p>Modified Fernet for encrypted tokens</p>
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<ul>
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<li><p>AES-128 in CBC mode</p></li>
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<li><p>HMAC for message authentication</p></li>
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<li><p>No Version and Timestamp metadata included</p></li>
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</ul>
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</li>
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<li><p>SHA-256</p></li>
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@ -262,12 +262,13 @@ considered complete and stable at the moment, but could change if absolutely war
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<li><p>Complete initiator anonymity, communicate without revealing your identity</p></li>
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<li><p>Asymmetric encryption based on X25519, and Ed25519 signatures as a basis for all communication</p></li>
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<li><p>Forward Secrecy by using ephemeral Elliptic Curve Diffie-Hellman keys on Curve25519</p></li>
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<li><p>Reticulum uses the <a class="reference external" href="https://github.com/fernet/spec/blob/master/Spec.md">Fernet</a> specification for on-the-wire / over-the-air encryption</p>
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<li><p>Reticulum uses a modified version of the <a class="reference external" href="https://github.com/fernet/spec/blob/master/Spec.md">Fernet</a> specification for on-the-wire / over-the-air encryption</p>
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<ul>
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<li><p>All keys are ephemeral and derived from an ECDH key exchange on Curve25519</p></li>
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<li><p>Keys are ephemeral and derived from an ECDH key exchange on Curve25519</p></li>
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<li><p>AES-128 in CBC mode with PKCS7 padding</p></li>
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<li><p>HMAC using SHA256 for authentication</p></li>
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<li><p>IVs are generated through os.urandom()</p></li>
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<li><p>No Version and Timestamp metadata included</p></li>
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</ul>
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</li>
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<li><p>Unforgeable packet delivery confirmations</p></li>
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@ -134,10 +134,11 @@ be sufficient, even far into the future.
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By default Reticulum encrypts all data using elliptic curve cryptography and AES. Any packet sent to a
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destination is encrypted with a per-packet derived key. Reticulum can also set up an encrypted
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channel to a destination, called a *Link*. Both data sent over Links and single packets offer
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*Initiator Anonymity*, and links additionally offer *Forward Secrecy* by using an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. The multi-hop transport,
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coordination, verification and reliability layers are fully autonomous and also based on elliptic
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curve cryptography.
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*Initiator Anonymity*. Links additionally offer *Forward Secrecy* by default, employing an Elliptic Curve
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Diffie Hellman key exchange on Curve25519 to derive per-link ephemeral keys. Asymmetric, link-less
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packet communication can also provide forward secrecy, with automatic key ratcheting, by enabling
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ratchets on a per-destination basis. The multi-hop transport, coordination, verification and reliability
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layers are fully autonomous and also based on elliptic curve cryptography.
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Reticulum also offers symmetric key encryption for group-oriented communications, as well as
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unencrypted packets for local broadcast purposes.
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@ -431,7 +432,7 @@ For exchanges of small amounts of information, Reticulum offers the *Packet* API
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* | A packet is always created with an associated destination and some payload data. When the packet is sent
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to a *single* destination type, Reticulum will automatically create an ephemeral encryption key, perform
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an ECDH key exchange with the destination's public key, and encrypt the information.
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an ECDH key exchange with the destination's public key (or ratchet key, if available), and encrypt the information.
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* | It is important to note that this key exchange does not require any network traffic. The sender already
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knows the public key of the destination from an earlier received *announce*, and can thus perform the ECDH
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@ -867,12 +868,14 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
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* HKDF for key derivation
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* Fernet for encrypted tokens
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* Modified Fernet for encrypted tokens
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* AES-128 in CBC mode
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* HMAC for message authentication
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* No Version and Timestamp metadata included
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* SHA-256
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* SHA-512
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@ -53,9 +53,9 @@ What does Reticulum Offer?
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* Forward Secrecy by using ephemeral Elliptic Curve Diffie-Hellman keys on Curve25519
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* Reticulum uses the `Fernet <https://github.com/fernet/spec/blob/master/Spec.md>`_ specification for on-the-wire / over-the-air encryption
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* Reticulum uses a modified version of the `Fernet <https://github.com/fernet/spec/blob/master/Spec.md>`_ specification for on-the-wire / over-the-air encryption
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* All keys are ephemeral and derived from an ECDH key exchange on Curve25519
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* Keys are ephemeral and derived from an ECDH key exchange on Curve25519
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* AES-128 in CBC mode with PKCS7 padding
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@ -63,6 +63,8 @@ What does Reticulum Offer?
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* IVs are generated through os.urandom()
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* No Version and Timestamp metadata included
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* Unforgeable packet delivery confirmations
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* A variety of supported interface types
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