Kamailio's srutils SHA functions have names that collide with OpenSSL's libcrypto SHA functions.
In practice, OpenSSL fails to validate a server cert if srutils is loaded before libcrypto, because their SHA functions are not 100% equivalent.

On my Debian, http_async_client was unable to issue any HTTPS request unless server certificate verification was disabled.

This patch solves the issue by renaming the SHA functions in srutils to non-colliding names. I think this has no side effect because they are only used internally.

You can view, comment on, or merge this pull request online at:

  https://github.com/kamailio/kamailio/pull/513

Commit Summary

• srutils: change names colliding with libcrypto

File Changes

• M lib/srutils/sha256.c (56)
• M lib/srutils/sha256.h (98)
• M lib/srutils/shautils.c (18)

Patch Links:

• https://github.com/kamailio/kamailio/pull/513.patch
• https://github.com/kamailio/kamailio/pull/513.diff

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