[gnutls-devel] GnuTLS | PBMAC1 tests suggestion: mac extension/truncation (#1559)

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Thu Jul 4 18:47:09 CEST 2024



Alexander Sosedkin created an issue: https://gitlab.com/gnutls/gnutls/-/issues/1559



It has been suggested by @tomato42 to extend the set of PBMAC1 test vectors with two malformed files that should be rejected,
based on a valid test vector with one of each following modifications applied:

for an otherwise valid and self-consistent PBMAC1 structure, the resulting MAC value
(PFX.macData.mac.digest, see RFC 7292 4. and RFC 2315 9.4) is

a. extended from the correctly computed value
b. truncated from the correctly computed value

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