[SSSD] [sssd PR#826][comment] util/crypto/libcrypto: changed sss_hmac_sha1()

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/826
Title: #826: util/crypto/libcrypto: changed sss_hmac_sha1()

alexey-tikhonov commented:
"""
@mzidek-rh , I applied your patch and test fails for me:
```
Running suite(s): sss_crypto
83%: Checks: 6, Failures: 1, Errors: 0
../src/tests/crypto-tests.c:125:F:sss crypto tests:test_hmac_sha1:0: Failure 'ret == EOK && memcmp(out, results[i], SSS_SHA1_LENGTH) != 0' occurred
```
"""

See the full comment at https://github.com/SSSD/sssd/pull/826#issuecomment-502061835