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pkparse: keep legacy PK error codes when RSA key parsing fails

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This helps in reverting the changes to test_suite_x509parse.data
when the RSA key parsing fails.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti
2024-02-02 09:21:25 +01:00
parent 56cfe2fab6
commit 5922cb9309
2 changed files with 14 additions and 5 deletions
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9
library/pkparse.c
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@ -851,6 +851,15 @@ int mbedtls_pk_parse_subpubkey(unsigned char **p, const unsigned char *end,
#if defined(MBEDTLS_RSA_C)
if (pk_alg == MBEDTLS_PK_RSA) {
ret = mbedtls_rsa_parse_pubkey(mbedtls_pk_rsa(*pk), *p, (size_t) (end - *p));
if (ret == 0) {
/* On success all the input has been consumed by the parsing function. */
*p += end - *p;
} else if (ret & 0x7f) {
/* In case of ASN1 error codes add MBEDTLS_ERR_PK_INVALID_PUBKEY. */
ret = MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_INVALID_PUBKEY, ret);
} else {
ret = MBEDTLS_ERR_PK_INVALID_PUBKEY;
}
} else
#endif /* MBEDTLS_RSA_C */
#if defined(MBEDTLS_PK_HAVE_ECC_KEYS)