Still Failing: openssl/openssl#35062 (master - 9c44916)

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Thu May 28 18:35:32 UTC 2020

Build Update for openssl/openssl

Build: #35062
Status: Still Failing

Duration: 32 mins and 40 secs
Commit: 9c44916 (master)
Author: Benjamin Kaduk
Message: RSA: Do not set NULL OAEP labels

As of the previous commit, when a zero-length (string) parameter
is present in the parameters passed to a provider for a given operation,
we will produce an object corresponding to that zero-length parameter,
indicating to the underlying cryptographic operation that the parameter
was passed.  However, rsa_cms_decrypt() was relying on the previous
behavior, and unconditionally tried to call
EVP_PKEY_CTX_set0_rsa_oaep_label() even when the implicit default label
was used (and thus the relevant local variable was still NULL).
In the new setup that distinguishes present-but-empty and absent
more clearly, it is an error to attempt to set a NULL parameter,
even if it is zero-length.

Exercise more caution when setting parameters, and do not call
EVP_PKEY_CTX_set0_rsa_oaep_label() when there is not actually a
label provided.

Reviewed-by: Richard Levitte <levitte at>
(Merged from

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