[v16] fix: tolerate mismatched key PEM headers #46727
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Backport #46725 to branch/v16 Issue #43381 introduced a regression where we now fail to parse PKCS8 encoded RSA private keys within an "RSA PRIVATE KEY" PEM block in some cases. This format is somewhat non-standard, usually PKCS8 data should be in a "PRIVATE KEY" PEM block. However, certain versions of OpenSSL and possibly even Teleport in specific cases have generated private keys in this format. This commit updates ParsePrivateKey and ParsePublicKey to be more tolerant of PKCS8, PKCS1, or PKIX key data no matter which PEM header is used. changelog: fixed regression in private key parser to handle mismatched PEM headers
espadolini
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Sep 18, 2024
avatus
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Sep 18, 2024
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removed this pull request from the merge queue due to failed status checks
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Backport #46725 to branch/v16
Issue #43381 introduced a regression where we now fail to parse PKCS8 encoded RSA private keys within an "RSA PRIVATE KEY" PEM block in some cases.
This format is somewhat non-standard, usually PKCS8 data should be in a "PRIVATE KEY" PEM block. However, certain versions of OpenSSL and possibly even Teleport in specific cases have generated private keys in this format.
This commit updates ParsePrivateKey and ParsePublicKey to be more tolerant of PKCS8, PKCS1, or PKIX key data no matter which PEM header is used.
changelog: fixed regression in private key parser to handle mismatched PEM headers