19 lines
958 B
Markdown
19 lines
958 B
Markdown
# Encryption
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Based on https://github.com/circleci/encrypted-files
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In the CircleCI web UI, we have a secret variable called `KEY`
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https://circleci.com/gh/angular/angular/edit#env-vars
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which is only exposed to non-fork builds
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(see "Pass secrets to builds from forked pull requests" under
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https://circleci.com/gh/angular/angular/edit#advanced-settings)
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We use this as a symmetric AES encryption key to encrypt tokens like
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a GitHub token that enables publishing snapshots.
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To create the github_token file, we take this approach:
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- Find the angular-builds:token in http://valentine
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- Go inside the CircleCI default docker image so you use the same version of openssl as we will at runtime: `docker run --rm -it circleci/node:10.12`
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- echo "https://[token]:@github.com" > credentials
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- openssl aes-256-cbc -e -in credentials -out .circleci/github_token -k $KEY
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- If needed, base64-encode the result so you can copy-paste it out of docker: `base64 github_token` |