About SecuMail
Are you a personal user who needs to have secure communications between iOS devices and/or desktop computers that are compliant with the OpenPGP standard? SecuMail can do it! SecuMail is a partial implementation of the...
Are you a personal user who needs to have secure communications between iOS devices and/or desktop computers that are compliant with the OpenPGP standard? SecuMail can do it! SecuMail is a partial implementation of the OpenPGP standard (RFC2440,RFC4880) that leverages your current cryptography infrastructure and allows your iOS devices to interoperate with it. SecuMail currently implements a subset of the standard that allows you to encrypt, decrypt, sign and verify OpenPGP messages. It also gives you many options for easily importing and exporting your keys and encrypted messages. Features: - Interoperates with PGP versions 8, 9 and 10 and GnuPG 1.x and 2.x - Public Key 'Encrypt & Sign' and 'Decrypt & Verify'. - Public Key 'Clearsign' signing and verification. - Symmetric Encryption and Decryption. - Supports decoding of MIME encrypted messages, including attachments. - Supports AirPrint of decrypted messages and attachments on compatible devices. - Supports opening decrypted messages and attachments on compatible apps. - TextExpander integration. - Supports the following symmetric algorithms: AES-256, AES-192, AES-128, Blowfish, Cast5, 3DES, TwoFish. - Option to remember Key pass phrases (with time-out). - Server passwords and Key pass phrases are stored in the device key chain, for maximum security. - Handles gpg, pgp and asc attachments from Mail (for messages and keys) - Import keys from LDAP, LDAPS, HKP and HTTPS key servers. - Import keys by Copy/Paste from Safari, Mail or any other program. - Import keys from pgp, gpg or asc Mail attachments. - Key Photo ID support. - Send encrypted text through email or SMS directly from the app. - Verification of signed messages. - Ability to sign your messages. What it does not do: - Does not have the ability to generate public/private keys. This must be done with a desktop app.
Version History Updated for iOS 15+ Updated Dropbox API 3.0 Apr 10 This update from Apple will improve the functionality of this app. No new features are included. Added French localization. 2.6.3 03/06/2015 Fix for iOS 7.1.2 crashing issue. Fixed BZip2 compression. 2.6.1 11/07/2014 - Added Retina HD support - Added TouchID support to application lock - Added 64-bit support - iOS 7.1+ now required - iOS 8 bug-fixes - Fixed dash encoding bug - Cosmetic fixes to the Settings screen - Updated Dropbox integration 2.6 11/01/2014 - Improved handling of IANA characters sets. - Properly decode MIME email that only contains attachments. 2.5.5 05/09/2014 - Updated TextExpander integration. 2.5.4 04/14/2014 Fixed crash when starting up the application under certain conditions. 2.5.3 10/29/2013 - Due to bug fixes, please re-configure Application Lock after update if you use it. - Fixed a UI issue that sometimes would cause the app to become unresponsive under iOS 7. - Fixed UI issue when decrypting symmetric messages under iOS 7. 2.5.2 10/08/2013 - More iOS 7 bugfixes. - Fixed Application Lock when opening attachments. - Fixed TextExpander integration under iOS 7. - Updated Dropbox integration. 2.5.1 09/20/2013 - Bug fixes for iOS 7 compatibility. - Added support for "RFC 1847 Encapsulation" mode. - Updated Dropbox integration. - Updated TextExpander integration. - Added compatibility with SKS v1.1.4+ 2.5 09/11/2013 - Better detection of encrypted archives without a file extension or an unknown file extension. 2.4 02/04/2013 - Added font size selector for decryption view (text documents only, iOS 5+). - Added font size selector for encryption and decryption panels (iOS 5+). - Added support for iPhone 5 screen. - Added support for iPad retina screen. - Added support for A6 processor. - Fixed an interface issue when using a hardware keyboard on non-iPad devices. - Updated Dropbox integration. - Updated TextExpander integration. 2.3 10/27/2012 - Added support for top level compressed messages. - Added support of unencrypted, signed literal data-only messages. - Added support for ECDH and ECDSA public cryptography. - Added compatibility with NSA's Suite-B TOP SECRET cryptography (NIST P-256, NIST P-384). - Added compatibility with draft-jivsov-openpgp-ecc-10 (NIST P-256, NIST P-384, NIST P-521). - Added compatibility with PGP 10.2 command line EC extensions. - Added support for encrypted attachments. Attachment sources are documents opened from other apps (Open in SecuMail), images from the Photo Album or documents from DropBox. 2.2 04/30/2012 - Changed to default style keyboard for User ID searches. - Added support for old-style secret key password encryption. 2.1 12/12/2011 - Added ability to decrypt files from DropBox. - Import keys from DropBox. - New stylized user interface. - Fixed "export of public/private key" option for a single key. - Improved performance decoding large files. - Optimized memory usage when handing large files. - Updated to the latest DropBox SDK. 2.0 11/04/2011 - Added support for TwoFish cipher. - Added encrypted backup/restore to Dropbox. - Fixed HKP not connecting to default port. - Fixed HKP status codes when no keys are found. - Fixed proper handling of escaped UTF8 from LDAP servers. 1.9 08/13/2011 - Added TLS support on LDAP connections for servers that support it. - Ability to encrypt to self without adding the mail recipients (Master Key). - Optimized speed and memory usage when working with a lot of keys. - Can now talk to Secure HKP servers using self-signed certificates after user's approval. - Fixed issue where sign key selector was selecting subkey instead of main key for signing. - Report LDAP v3 support to key servers. - Disallow adding invalid HKP servers. 1.8 06/24/2011 - Added ability to select the User ID on keys with multiple User ID's. - Added German translation. - Added Splash Screens. - Improved text character set detection and conversion of text-only MIME messages. - Fixed crash when opening messages with very large attachments. 1 .7 05/04/2011 - Added support for single RSA sign & encrypt key (improved GPG4Win compatibility). - Added support for keys with multiple subkeys. - Added Clearsign support. - Added support for legacy RSA v3 keys. - Added more robust line parser. - Added better document detection for Office documents that don't include an extension (docx, pptx, xlsx). - Compatibility with iOS below 3.2. 1.6 04/11/2011 - Fixed a problem where signature would fail when created in SecuMail and opened on Desktop with RSA keys. 1.5 04/03/2011 - Added support for one-pass signature generation (adds signature compatibility with GPGTools/GPGMail). - Added option to embed message in email body. - Added option to add Version.txt when in attach mode. - Added option to add UTF-8 BOM to messages. - Fixed memory starvation issue when decoding large attachments. - Improved MIME parser to be compatible with enigmail MIME generator. - Improved handling of UTF-8 encoded attachment names. 1.4 03/27/2011 - Added support for encryption and decryption of UTF-8 text. - Added message Signature generation and verification (RSA, DSA and DSA2). - Added Spanish language support. - Changed the password screen to have the Remember Passphrase option on it. 1.3 03/03/2011 Fixed an encryption bug introduced in version 1.1 that could prevent messages from being decrypted on a desktop computer. 1.2 02/28/2011 - Added ability to encrypt to multiple public keys. - Added auto-decrypt from clipboard option when application activates. - Added support for bzip2 compression. - Added encryption compression settings. - Added support for decoding MIME encoded messages (compatibility with PGP's Outlook plugin). - Added ability to view attachments within MIME encoded messages. - Added option to Clear text on Encryption screen when the app is exited/switched. - Fixed decryption key search algorithm when a message contains multiple sub-key ids. 1.1 02/23/2011 1.0 02/03/2011
Previous Versions
Here you can find the changelog of SecuMail since it was posted on our website on 2016-09-24 08:11:28.
The latest version is 3.0 and it was updated on 2026-06-13 08:42:23. See below the changes in each version.
SecuMail version 3.0
Updated At: 2026-06-13
Changes: Version History Updated for iOS 15+
Updated Dropbox API 3.0 Apr 10 This update from Apple will improve the functionality of this app. No new features are included.
Added French localization. 2.6.3 03/06/2015 Fix for iOS 7.1.2 crashing issue.
Fixed BZip2 compression. 2.6.1 11/07/2014 - Added Retina HD support
- Added TouchID support to application lock
- Added 64-bit support
- iOS 7.1+ now required
- iOS 8 bug-fixes
- Fixed dash encoding bug
- Cosmetic fixes to the Settings screen
- Updated Dropbox integration 2.6 11/01/2014 - Improved handling of IANA characters sets.
- Properly decode MIME email that only contains attachments. 2.5.5 05/09/2014 - Updated TextExpander integration. 2.5.4 04/14/2014 Fixed crash when starting up the application under certain conditions. 2.5.3 10/29/2013 - Due to bug fixes, please re-configure Application Lock after update if you use it.
- Fixed a UI issue that sometimes would cause the app to become unresponsive under iOS 7.
- Fixed UI issue when decrypting symmetric messages under iOS 7. 2.5.2 10/08/2013 - More iOS 7 bugfixes.
- Fixed Application Lock when opening attachments.
- Fixed TextExpander integration under iOS 7.
- Updated Dropbox integration. 2.5.1 09/20/2013 - Bug fixes for iOS 7 compatibility.
- Added support for "RFC 1847 Encapsulation" mode.
- Updated Dropbox integration.
- Updated TextExpander integration.
- Added compatibility with SKS v1.1.4+ 2.5 09/11/2013 - Better detection of encrypted archives without a file extension or an unknown file extension. 2.4 02/04/2013 - Added font size selector for decryption view (text documents only, iOS 5+).
- Added font size selector for encryption and decryption panels (iOS 5+).
- Added support for iPhone 5 screen.
- Added support for iPad retina screen.
- Added support for A6 processor.
- Fixed an interface issue when using a hardware keyboard on non-iPad devices.
- Updated Dropbox integration.
- Updated TextExpander integration. 2.3 10/27/2012 - Added support for top level compressed messages.
- Added support of unencrypted, signed literal data-only messages.
- Added support for ECDH and ECDSA public cryptography.
- Added compatibility with NSA's Suite-B TOP SECRET cryptography (NIST P-256, NIST P-384).
- Added compatibility with draft-jivsov-openpgp-ecc-10 (NIST P-256, NIST P-384, NIST P-521).
- Added compatibility with PGP 10.2 command line EC extensions.
- Added support for encrypted attachments. Attachment sources are documents opened from other apps (Open in SecuMail), images from the Photo Album or documents from DropBox. 2.2 04/30/2012 - Changed to default style keyboard for User ID searches.
- Added support for old-style secret key password encryption. 2.1 12/12/2011 - Added ability to decrypt files from DropBox.
- Import keys from DropBox.
- New stylized user interface.
- Fixed "export of public/private key" option for a single key.
- Improved performance decoding large files.
- Optimized memory usage when handing large files.
- Updated to the latest DropBox SDK. 2.0 11/04/2011 - Added support for TwoFish cipher.
- Added encrypted backup/restore to Dropbox.
- Fixed HKP not connecting to default port.
- Fixed HKP status codes when no keys are found.
- Fixed proper handling of escaped UTF8 from LDAP servers. 1.9 08/13/2011 - Added TLS support on LDAP connections for servers that support it.
- Ability to encrypt to self without adding the mail recipients (Master Key).
- Optimized speed and memory usage when working with a lot of keys.
- Can now talk to Secure HKP servers using self-signed certificates after user's approval.
- Fixed issue where sign key selector was selecting subkey instead of main key for signing.
- Report LDAP v3 support to key servers.
- Disallow adding invalid HKP servers. 1.8 06/24/2011 - Added ability to select the User ID on keys with multiple User ID's.
- Added German translation.
- Added Splash Screens.
- Improved text character set detection and conversion of text-only MIME messages.
- Fixed crash when opening messages with very large attachments. 1 .7 05/04/2011 - Added support for single RSA sign & encrypt key (improved GPG4Win compatibility).
- Added support for keys with multiple subkeys.
- Added Clearsign support.
- Added support for legacy RSA v3 keys.
- Added more robust line parser.
- Added better document detection for Office documents that don't include an extension (docx, pptx, xlsx).
- Compatibility with iOS below 3.2. 1.6 04/11/2011 - Fixed a problem where signature would fail when created in SecuMail and opened on Desktop with RSA keys. 1.5 04/03/2011 - Added support for one-pass signature generation (adds signature compatibility with GPGTools/GPGMail).
- Added option to embed message in email body.
- Added option to add Version.txt when in attach mode.
- Added option to add UTF-8 BOM to messages.
- Fixed memory starvation issue when decoding large attachments.
- Improved MIME parser to be compatible with enigmail MIME generator.
- Improved handling of UTF-8 encoded attachment names. 1.4 03/27/2011 - Added support for encryption and decryption of UTF-8 text.
- Added message Signature generation and verification (RSA, DSA and DSA2).
- Added Spanish language support.
- Changed the password screen to have the Remember Passphrase option on it. 1.3 03/03/2011 Fixed an encryption bug introduced in version 1.1 that could prevent messages from being decrypted on a desktop computer. 1.2 02/28/2011 - Added ability to encrypt to multiple public keys.
- Added auto-decrypt from clipboard option when application activates.
- Added support for bzip2 compression.
- Added encryption compression settings.
- Added support for decoding MIME encoded messages (compatibility with PGP's Outlook plugin).
- Added ability to view attachments within MIME encoded messages.
- Added option to Clear text on Encryption screen when the app is exited/switched.
- Fixed decryption key search algorithm when a message contains multiple sub-key ids. 1.1 02/23/2011 1.0 02/03/2011
SecuMail version 2.6.3
Updated At: 2011-02-03
Disclaimer
Official App Store Link
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