TOKU - Treasury of Knowledge for Users

A variety of information you might find useful

User Tools

Site Tools


flowcrypt

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
flowcrypt [2026.01.16 13:23] – [4. Back Up Your Private Key (CRITICAL)] Steve Isenbergflowcrypt [2026.01.16 13:55] (current) Steve Isenberg
Line 8: Line 8:
  
  
-====== PGP Encrypted Email on iPad Using Gmail + FlowCrypt ======+====== I. PGP Encrypted Email on iPad Using Gmail + FlowCrypt ======
  
 This guide explains how to add true end-to-end encrypted email (OpenPGP / PGP) to a Gmail account on an iPad using FlowCrypt. This guide explains how to add true end-to-end encrypted email (OpenPGP / PGP) to a Gmail account on an iPad using FlowCrypt.
Line 66: Line 66:
 ==== 4. Back Up Your Private Key (CRITICAL) ==== ==== 4. Back Up Your Private Key (CRITICAL) ====
  
-You must back up your private key to avoid permanent data loss.  (I do this using my free password manager, KeePass.)+You must back up your private key to avoid permanent data loss.  \\ //I do this using my free password manager, KeePass. [[security presentation|Learn about KeePass and protecting your passwords]]//
  
 Recommended backup locations: Recommended backup locations:
Line 112: Line 112:
  
 ===== Gmail App Behavior ===== ===== Gmail App Behavior =====
-Encrypted messages cannot be read in the Gmail app +  * Encrypted messages cannot be read in the Gmail app 
- Gmail shows a placeholder such as: +  Gmail shows a placeholder such as: “This message is encrypted” 
-“This message is encrypted” +  You must open FlowCrypt to read or reply securely
- You must open FlowCrypt to read or reply securely +
 This is expected and normal. This is expected and normal.
  
Line 181: Line 179:
  
  
-Here are clear, DokuWiki-formatted instructions for viewing and sharing your public key in FlowCrypt on an iPad. 
  
-You can paste this directly into your wiki. +====== II. Viewing and Sharing Your Public Key (FlowCrypt on iPad) ======
- +
-⸻ +
- +
-====== Viewing and Sharing Your Public Key (FlowCrypt on iPad) ======+
  
 Your public key is what others need in order to send you PGP-encrypted email. Your public key is what others need in order to send you PGP-encrypted email.
Line 251: Line 244:
  
  
-Anyone can have this key. Only you have the private key.+The … is hundreds of apparently random characters.  Anyone can have this (public) key. Only you have the private key (and don’t give the private key to anyone).
  
  
Line 270: Line 263:
  
 ===== Security Notes ===== ===== Security Notes =====
-Sharing your public key is safe +  * Sharing your public key is safe 
- Never share your private key +  Never share your private key 
- Protect your private key with: +  Protect your private key with: 
- Strong passphrase +    Strong passphrase 
- Secure backup (password manager, encrypted vault)+    Secure backup (password manager, encrypted vault)
  
  
  
 ===== Quick Troubleshooting ===== ===== Quick Troubleshooting =====
-Can’t see the key? +  * Can’t see the key? 
- Make sure a key exists under Settings → Encryption Keys +    Make sure a key exists under Settings → Encryption Keys 
- Multiple keys listed? +  Multiple keys listed? 
- Use the one marked Active +    Use the one marked Active 
- Recipient can’t encrypt to you? +  Recipient can’t encrypt to you? 
- Confirm they imported your public key correctly+    Confirm they imported your public key correctly
  
  
- +====== III. Sending Encrypted Email with a Shared Password (FlowCrypt) ======
-Short answer: Yes, but with important limitations. +
-FlowCrypt supports password-encrypted messages (shared secret) instead of public-key (PGP) encryption, but this is not the same as true PGP and works differently. +
- +
-Below is a DokuWiki-formatted explanation you can paste directly into your wiki. +
- +
-⸻ +
- +
-====== Sending Encrypted Email with a Shared Password (FlowCrypt) ======+
  
 FlowCrypt primarily uses public-key (PGP) encryption, but it also supports password-encrypted messages for recipients who do not use PGP. FlowCrypt primarily uses public-key (PGP) encryption, but it also supports password-encrypted messages for recipients who do not use PGP.
Line 304: Line 289:
  
 ===== How Password-Encrypted Messages Work ===== ===== How Password-Encrypted Messages Work =====
-You choose a shared password +  * You choose a shared password 
- The message is encrypted using that password +  The message is encrypted using that password 
- The recipient receives: +  The recipient receives: An email with a secure FlowCrypt link 
-An email with a secure FlowCrypt link +  They enter the password in their browser to read the message 
- They enter the password in their browser to read the message +  No PGP software is required for the recipient
- No PGP software is required for the recipient+
  
  
  
 ===== When to Use This Method ===== ===== When to Use This Method =====
-Recipient does not use PGP +  * Recipient does not use PGP 
- One-time or infrequent secure messages +  One-time or infrequent secure messages 
- You can safely share a password out-of-band +  You can safely share a password out-of-band 
- Phone call +    Phone call 
- Text message +    Text message 
- In-person+    In-person
  
  
Line 334: Line 318:
  
 ==== Steps ==== ==== Steps ====
-Open FlowCrypt +  - Open FlowCrypt 
- Tap Compose +  Tap Compose 
- Enter recipient email address +  Enter recipient email address 
- If no public key is found, FlowCrypt will prompt: +  If no public key is found, FlowCrypt will prompt: Send a password-encrypted message 
-Send a password-encrypted message +  Choose a strong password 
- Choose a strong password +  Send the message 
- Send the message +  Share the password with the recipient via a different channel
- Share the password with the recipient via a different channel+
  
  
Line 385: Line 368:
  
  
-This is a known and intentional behavior in FlowCrypt, not something you’re doing wrong. 
  
-Short answer: +====== IV. Why FlowCrypt on iPad and iPhone  Does Not Offer “Shared Key” Messages ======
-👉 On iOS (iPad/iPhone), FlowCrypt does NOT support password-encrypted (“shared key”) messages. +
-That’s why you only see “Send unencrypted” or “Cancel.” +
- +
-Below is a DokuWiki-formatted explanation you can paste into your wiki. +
- +
-⸻ +
- +
-====== Why FlowCrypt on iPad Does Not Offer “Shared Key” Messages ======+
  
 When composing an email in FlowCrypt on iPad, you may only see: When composing an email in FlowCrypt on iPad, you may only see:
Line 425: Line 399:
 ===== Why FlowCrypt Disabled Shared-Key on iOS ===== ===== Why FlowCrypt Disabled Shared-Key on iOS =====
  
-FlowCrypt has stated (and demonstrated by behavior) that: +  * FlowCrypt has stated (and demonstrated by behavior) that: Password-encrypted messages rely on a secure web portal 
-Password-encrypted messages rely on a secure web portal +  This requires browser-based flows that are: 
- This requires browser-based flows that are: +    Less reliable on iOS 
- Less reliable on iOS +    Harder to secure consistently 
- Harder to secure consistently +  FlowCrypt’s security model on iOS is: 
- FlowCrypt’s security model on iOS is: +    PGP only 
- PGP only +    Or plaintext
- Or plaintext+
  
-So if no recipient public key is found, FlowCrypt will only offer: +So if no recipient public key is found, on iOS (iPad, iPhone) FlowCrypt will only offer: 
- Send unencrypted +  Send unencrypted 
- Cancel+  Cancel
  
  
Line 442: Line 415:
 ===== What This Means Practically ===== ===== What This Means Practically =====
  
-On an iPad:+On an iPad and iPhone:
  • You cannot send encrypted email to non-PGP users using FlowCrypt  • You cannot send encrypted email to non-PGP users using FlowCrypt
  • There is no hidden setting to enable shared passwords  • There is no hidden setting to enable shared passwords
Line 454: Line 427:
  
 ==== Option 1: Use PGP Only (Best Security) ==== ==== Option 1: Use PGP Only (Best Security) ====
-Ask recipient to install: +  - Ask recipient to install: 
- FlowCrypt +    FlowCrypt 
- Thunderbird +    Thunderbird 
- Proton Mail (PGP mode) +    Proton Mail (PGP mode) 
- Exchange public keys +  Exchange public keys with recipient 
- Communicate securely end-to-end+  Communicate securely end-to-end
  
  
Line 484: Line 457:
  
 ===== Summary ===== ===== Summary =====
-FlowCrypt on iPad cannot send shared-password encrypted messages +  * FlowCrypt on iPad and iPhone cannot send shared-password encrypted messages 
- Seeing only “Send unencrypted” is expected behavior +  Seeing only “Send unencrypted” is expected behavior 
- PGP public-key encryption does work fully +  PGP public-key encryption does work fully 
- Shared-key encryption requires desktop FlowCrypt+  Shared-key encryption requires desktop FlowCrypt
  
  
  
flowcrypt.1768598635.txt.gz · Last modified: by Steve Isenberg