mirror/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-03-29 22:20:30 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

rsa: remove unnecessary check in priv/pub key parsing

Browse Source 
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2024-02-07 08:02:03 +01:00
parent fe329cea3f
commit 447bbce8b4
1 changed files with 2 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
library/rsa.c
View File

@ -107,12 +107,9 @@ int mbedtls_rsa_parse_key(mbedtls_rsa_context *rsa, const unsigned char *key, si
return ret; return ret;
} }
/* mbedtls_asn1_get_tag() already ensures that len is valid (i.e. p+len <= end)*/
end = p + len; end = p + len;
if (end > (key + keylen)) {
return MBEDTLS_ERR_ASN1_LENGTH_MISMATCH;
}
if ((ret = mbedtls_asn1_get_int(&p, end, &version)) != 0) { if ((ret = mbedtls_asn1_get_int(&p, end, &version)) != 0) {
return ret; return ret;
} }
@ -243,12 +240,9 @@ int mbedtls_rsa_parse_pubkey(mbedtls_rsa_context *rsa, const unsigned char *key,
return ret; return ret;
} }
/* mbedtls_asn1_get_tag() already ensures that len is valid (i.e. p+len <= end)*/
end = p + len; end = p + len;
if (end > (key + keylen)) {
return MBEDTLS_ERR_ASN1_LENGTH_MISMATCH;
}
/* Import N */ /* Import N */
if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_INTEGER)) != 0) { if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_INTEGER)) != 0) {
return ret; return ret;