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Description of problem:
In FIPS mode, comman "ispec newhostkey" fails during HMAC integrity verification when generating RSA key:
# cat /proc/sys/crypto/fips_enabled
1
# ipsec newhostkey
FIPS HMAC integrity verification test failed.
Apparently, it tries to verify HMAC integrity for rsasigkey binary:
# strace -f ipsec newhostkey
...
[pid 15129] open("/usr/lib64/fipscheck/rsasigkey.hmac", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid 15129] open("/usr/libexec/ipsec/.rsasigkey.hmac", O_RDONLY) = -1 ENOENT (No such file or directory)
...
It is because function rsasigkey() in programs/rsasigkey/rsasigkey.c contains the following code:
#ifdef FIPS_CHECK
if (PK11_IsFIPS() && !FIPSCHECK_verify(NULL, NULL)) {
fprintf(stderr,
"FIPS HMAC integrity verification test failed.\n");
exit(1);
}
#endif
Since RHEL-7.5 libreswan ships HMAC only for pluto binary and hence aforementioned code is no longer needed.
Version-Release number of selected component (if applicable):
libreswan-3.23-3.el7
How reproducible:
100% (in FIPS mode)
Steps to Reproduce:
1. Enable FIPS mode
2. ipsec initnss
3. ipsec newhostkey
Actual results:
FIPS HMAC integrity verification test failed.
Expected results:
Generated RSA key pair with CKAID ... was stored in the NSS database
Additional info:
* When FIPS mode is disabled, RSA key is generated correctly.
* This is not really a regression, since standard tools for key generation
work in FIPS mode correctly (openssl, NSS, ...).
Successfully verified on all supported platforms (RHEL) and architectures (x86_64, ppc64, ppc64le, s390x) in FIPS mode.
# rpm -q libreswan
libreswan-3.25-2.el7.x86_64
# cat /proc/sys/crypto/fips_enabled
1
# ipsec newhostkey --configdir /etc/ipsec.d --output /etc/ipsec.secrets --password "1a2Ikyn0h87OMKS5kNME"'
ipsec newhostkey warning: --configdir is obsoleted, use --nssdir
Generated RSA key pair with CKAID ec7f19d08a7d07f8150712c72f8f253e8c3600e9 was stored in the NSS database
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHEA-2018:3174
Description of problem: In FIPS mode, comman "ispec newhostkey" fails during HMAC integrity verification when generating RSA key: # cat /proc/sys/crypto/fips_enabled 1 # ipsec newhostkey FIPS HMAC integrity verification test failed. Apparently, it tries to verify HMAC integrity for rsasigkey binary: # strace -f ipsec newhostkey ... [pid 15129] open("/usr/lib64/fipscheck/rsasigkey.hmac", O_RDONLY) = -1 ENOENT (No such file or directory) [pid 15129] open("/usr/libexec/ipsec/.rsasigkey.hmac", O_RDONLY) = -1 ENOENT (No such file or directory) ... It is because function rsasigkey() in programs/rsasigkey/rsasigkey.c contains the following code: #ifdef FIPS_CHECK if (PK11_IsFIPS() && !FIPSCHECK_verify(NULL, NULL)) { fprintf(stderr, "FIPS HMAC integrity verification test failed.\n"); exit(1); } #endif Since RHEL-7.5 libreswan ships HMAC only for pluto binary and hence aforementioned code is no longer needed. Version-Release number of selected component (if applicable): libreswan-3.23-3.el7 How reproducible: 100% (in FIPS mode) Steps to Reproduce: 1. Enable FIPS mode 2. ipsec initnss 3. ipsec newhostkey Actual results: FIPS HMAC integrity verification test failed. Expected results: Generated RSA key pair with CKAID ... was stored in the NSS database Additional info: * When FIPS mode is disabled, RSA key is generated correctly. * This is not really a regression, since standard tools for key generation work in FIPS mode correctly (openssl, NSS, ...).