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hmac: use EVP_PKEY_new_raw_private_key() if available #538

Merged
merged 1 commit into from
Sep 2, 2022
Merged

hmac: use EVP_PKEY_new_raw_private_key() if available #538

merged 1 commit into from
Sep 2, 2022

Commits on Sep 2, 2022

  1. hmac: use EVP_PKEY_new_raw_private_key() if available 

    Current OpenSSL 3.0.x release has a regression with zero-length MAC
keys. While this issue should be fixed in a future release of OpenSSL,
we can use EVP_PKEY_new_raw_private_key() in place of the problematic
EVP_PKEY_new_mac_key() to avoid the issue. OpenSSL 3.0's man page
recommends using it regardless:

> EVP_PKEY_new_mac_key() works in the same way as
> EVP_PKEY_new_raw_private_key().  New applications should use
> EVP_PKEY_new_raw_private_key() instead.

Fixes ruby#369 (comment)
    @rhenium
    rhenium committed Sep 2, 2022
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