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psa_constant_names: fix display for truncated unknown MAC/AEAD algorithm

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Gilles Peskine 2018-10-19 11:33:51 +02:00 committed by Darryl Green
parent c68ce9637a
commit 182c2e9836
1 changed files with 5 additions and 2 deletions
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7
scripts/generate_psa_constants.py
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@ -62,7 +62,10 @@ static int psa_snprint_algorithm(char *buffer, size_t buffer_size,
} }
} else if (PSA_ALG_IS_AEAD(alg)) { } else if (PSA_ALG_IS_AEAD(alg)) {
core_alg = PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH(alg); core_alg = PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH(alg);
if (core_alg != alg) { if (core_alg == 0) {
/* For unkonwn AEAD algorithms, there is no "default tag length". */
core_alg = alg;
} else if (core_alg != alg) {
append(&buffer, buffer_size, &required_size, append(&buffer, buffer_size, &required_size,
"PSA_ALG_AEAD_WITH_TAG_LENGTH(", 29); "PSA_ALG_AEAD_WITH_TAG_LENGTH(", 29);
length_modifier = PSA_AEAD_TAG_LENGTH(alg); length_modifier = PSA_AEAD_TAG_LENGTH(alg);
@ -73,7 +76,7 @@ static int psa_snprint_algorithm(char *buffer, size_t buffer_size,
default: default:
%(algorithm_code)s{ %(algorithm_code)s{
append_integer(&buffer, buffer_size, &required_size, append_integer(&buffer, buffer_size, &required_size,
"0x%%08lx", (unsigned long) alg); "0x%%08lx", (unsigned long) core_alg);
} }
break; break;
} }