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NIST SP 800-132 [1] section 5.1 says "[t]he length of the randomly-generated portion of the salt shall be at least 128 bits", which implies that the salt for PBKDF2 must be at least 16 bytes long (see also Appendix A.2.1). The FIPS 140-3 IG [2] section 10.3.A requires that "the lengths and the properties of the Password and Salt parameters, as well as the desired length of the Master Key used in a CAST shall be among those supported by the module in the approved mode." As a consequence, the salt length in the self test must be at least 16 bytes long for FIPS 140-3 compliance. Switch the self test to use the only test vector from RFC 6070 that uses salt that is long enough to fulfil this requirement. Since RFC 6070 does not provide expected results for PBKDF2 with HMAC-SHA256, use the output from [3], which was generated with python cryptography, which was tested against the RFC 6070 vectors with HMAC-SHA1. [1]: https://doi.org/10.6028/NIST.SP.800-132 [2]: https://csrc.nist.gov/CSRC/media/Projects/cryptographic-module-validation-program/documents/fips%20140-3/FIPS%20140-3%20IG.pdf [3]: https://github.com/brycx/Test-Vector-Generation/blob/master/PBKDF2/pbkdf2-hmac-sha2-test-vectors.md Signed-off-by: Clemens Lang <cllang@redhat.com> Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/20429) |
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| .. | ||
| build.info | ||
| fips_entry.c | ||
| fipsprov.c | ||
| self_test_data.inc | ||
| self_test_kats.c | ||
| self_test.c | ||
| self_test.h | ||