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Fix bug with checking max dn length with hexpairs

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Signed-off-by: Agathiyan Bragadeesh <agathiyan.bragadeesh2@arm.com>
This commit is contained in:
Agathiyan Bragadeesh 2023-09-08 11:32:19 +01:00
parent d34c4262da
commit c34804dea2
1 changed files with 6 additions and 3 deletions
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9
library/x509_create.c
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@ -168,13 +168,16 @@ static int parse_attribute_value_string(const char *s,
} }
*(d++) = n; *(d++) = n;
c++; c++;
continue; } else if (c < end && strchr(" ,=+<>#;\"\\", *c)) {
} else if (c == end || !strchr(" ,=+<>#;\"\\", *c)) { *(d++) = *c;
} else {
return MBEDTLS_ERR_X509_INVALID_NAME; return MBEDTLS_ERR_X509_INVALID_NAME;
} }
} }
else {
*(d++) = *c; *(d++) = *c;
}
if (d - data == MBEDTLS_X509_MAX_DN_NAME_SIZE) { if (d - data == MBEDTLS_X509_MAX_DN_NAME_SIZE) {
return MBEDTLS_ERR_X509_INVALID_NAME; return MBEDTLS_ERR_X509_INVALID_NAME;