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Fix mbedtls_pk_get_bitlen() for RSA with non-byte-aligned sizes

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Add non-regression tests. Update some test functions to not assume that
byte_length == bit_length / 8.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2024-02-01 22:33:06 +01:00
parent 19f1adfc69
commit 92fb604139
6 changed files with 51 additions and 9 deletions
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4
tests/suites/test_suite_pkparse.function
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@@ -42,6 +42,10 @@ void pk_parse_keyfile_rsa(char *key_file, char *password, int result)
rsa = mbedtls_pk_rsa(ctx);
TEST_EQUAL(mbedtls_rsa_check_privkey(rsa), 0);
size_t bitlen = mbedtls_rsa_get_bitlen(rsa);
TEST_EQUAL(mbedtls_pk_get_bitlen(&ctx), bitlen);
TEST_EQUAL(mbedtls_pk_get_len(&ctx), (bitlen + 7) / 8);
#if defined(MBEDTLS_PSA_CRYPTO_C)
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
TEST_EQUAL(mbedtls_pk_get_psa_attributes(&ctx,