Add sodium_crypto_stream_xchacha20_xor_ic()#8276
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paragonie-security wants to merge 1 commit intophp:masterfrom
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Add sodium_crypto_stream_xchacha20_xor_ic()#8276paragonie-security wants to merge 1 commit intophp:masterfrom
paragonie-security wants to merge 1 commit intophp:masterfrom
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There are many use-cases where a PHP user is currently using sodium_compat's implementation of this low-level XChaCha20 API. For example, multi-part message processing (in low-memory settings) for a ciphertext that was encrypted with XChaCha20-Poly1305 (rather than the secretstream API). Adding this function to ext/sodium offers better performance and lowers users' memory usage with the polyfill, and ensures that users coming from other languages that provide libsodium bindings have a more consistent experience with our bindings. This is a win-win. This patch follows the libsodium precedent of adding functions instead of optional parameters to existing functions. The parameter order is also consistent with the C API. https://doc.libsodium.org/advanced/stream_ciphers/xchacha20#usage
paragonie-security
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Mar 30, 2022
See php/php-src#8276 for upstream
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@jedisct1, thoughts about this? |
Contributor
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Looks good to me. This function is for niche use cases, though. |
Member
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Thank you! |
markjaquith
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Sep 14, 2022
The latest version of sodium_compat includes some improvements, as well as a new feature which will also be included in PHP 8.2. * Fixed issues with the PHP autoloader: * [paragonie/sodium_compat#145 #145]: For WordPress, this ensures when Ed25519 is included, so too is the class it inherits from. * [paragonie/sodium_compat#148 #148], [paragonie/sodium_compat#149 #149]: For PHP 7.4+ with opcache preloading, this ensures the include guards don't fail. * [paragonie/sodium_compat#144 #144]: Added `sodium_crypto_stream_xchacha20_xor_ic()` * See [php/php-src#8276 pull request for php-src] (merged in PHP 8.2) * For motivation: [paragonie/halite#178 paragonie/halite#178] Release notes: https://github.com/paragonie/sodium_compat/releases/tag/v1.18.0 A full list of changes in this update can be found on GitHub: paragonie/sodium_compat@v1.17.1...v1.18.0 Follow-up to [49741], [51002], [51591], [52988]. Props jrf, paragoninitiativeenterprises. Fixes #56564. Built from https://develop.svn.wordpress.org/trunk@54150 git-svn-id: http://core.svn.wordpress.org/trunk@53709 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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The latest version of sodium_compat includes some improvements, as well as a new feature which will also be included in PHP 8.2. * Fixed issues with the PHP autoloader: * [paragonie/sodium_compat#145 #145]: For WordPress, this ensures when Ed25519 is included, so too is the class it inherits from. * [paragonie/sodium_compat#148 #148], [paragonie/sodium_compat#149 #149]: For PHP 7.4+ with opcache preloading, this ensures the include guards don't fail. * [paragonie/sodium_compat#144 #144]: Added `sodium_crypto_stream_xchacha20_xor_ic()` * See [php/php-src#8276 pull request for php-src] (merged in PHP 8.2) * For motivation: [paragonie/halite#178 paragonie/halite#178] Release notes: https://github.com/paragonie/sodium_compat/releases/tag/v1.18.0 A full list of changes in this update can be found on GitHub: paragonie/sodium_compat@v1.17.1...v1.18.0 Follow-up to [49741], [51002], [51591], [52988]. Props jrf, paragoninitiativeenterprises. Fixes #56564. Built from https://develop.svn.wordpress.org/trunk@54150 git-svn-id: https://core.svn.wordpress.org/trunk@53709 1a063a9b-81f0-0310-95a4-ce76da25c4cd
whereiscodedude
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Sep 18, 2022
The latest version of sodium_compat includes some improvements, as well as a new feature which will also be included in PHP 8.2. * Fixed issues with the PHP autoloader: * [paragonie/sodium_compat#145 #145]: For WordPress, this ensures when Ed25519 is included, so too is the class it inherits from. * [paragonie/sodium_compat#148 #148], [paragonie/sodium_compat#149 #149]: For PHP 7.4+ with opcache preloading, this ensures the include guards don't fail. * [paragonie/sodium_compat#144 #144]: Added `sodium_crypto_stream_xchacha20_xor_ic()` * See [php/php-src#8276 pull request for php-src] (merged in PHP 8.2) * For motivation: [paragonie/halite#178 paragonie/halite#178] Release notes: https://github.com/paragonie/sodium_compat/releases/tag/v1.18.0 A full list of changes in this update can be found on GitHub: paragonie/sodium_compat@v1.17.1...v1.18.0 Follow-up to [49741], [51002], [51591], [52988]. Props jrf, paragoninitiativeenterprises. Fixes #56564. Built from https://develop.svn.wordpress.org/trunk@54150
ootwch
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Nov 4, 2022
The latest version of sodium_compat includes some improvements, as well as a new feature which will also be included in PHP 8.2. * Fixed issues with the PHP autoloader: * [paragonie/sodium_compat#145 WordPress#145]: For WordPress, this ensures when Ed25519 is included, so too is the class it inherits from. * [paragonie/sodium_compat#148 WordPress#148], [paragonie/sodium_compat#149 WordPress#149]: For PHP 7.4+ with opcache preloading, this ensures the include guards don't fail. * [paragonie/sodium_compat#144 WordPress#144]: Added `sodium_crypto_stream_xchacha20_xor_ic()` * See [php/php-src#8276 pull request for php-src] (merged in PHP 8.2) * For motivation: [paragonie/halite#178 paragonie/halite#178] Release notes: https://github.com/paragonie/sodium_compat/releases/tag/v1.18.0 A full list of changes in this update can be found on GitHub: paragonie/sodium_compat@v1.17.1...v1.18.0 Follow-up to [49741], [51002], [51591], [52988]. Props jrf, paragoninitiativeenterprises. Fixes #56564. git-svn-id: https://develop.svn.wordpress.org/trunk@54150 602fd350-edb4-49c9-b593-d223f7449a82
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There are many use-cases where a PHP user is currently using sodium_compat's implementation of this low-level XChaCha20 API. For example, multi-part message processing (in low-memory settings) for a ciphertext that was encrypted with XChaCha20-Poly1305 (rather than the secretstream API).
Adding this function to ext/sodium offers better performance and lowers users' memory usage with the polyfill, and ensures that users coming from other languages that provide libsodium bindings have a more consistent experience with our bindings. This is a win-win.
This patch follows the libsodium precedent of adding functions instead of optional parameters to existing functions. The parameter order is also consistent with the C API.
https://doc.libsodium.org/advanced/stream_ciphers/xchacha20#usage
Related issues: paragonie/halite#178