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2008-02-21 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com> 

Proper return value handling for OpenSSL functions.
	* src/LibsslDHKeyExchange.h
pull/1/head
Tatsuhiro Tsujikawa 2008-02-20 17:00:44 +00:00
parent dd8f18956a
commit cfd0a40fdb
2 changed files with 13 additions and 6 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2008-02-21 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Proper return value handling for OpenSSL functions.
* src/LibsslDHKeyExchange.h
2008-02-21 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Random bytes generation using libgcrypt and OpenSSL.

14
src/LibsslDHKeyExchange.h
View File

@ -101,7 +101,7 @@ public:
handleError();
}
_privateKey = BN_new();
if(!BN_rand(_privateKey, privateKeyBits, -1, false)) {
if(BN_rand(_privateKey, privateKeyBits, -1, false) == 0) {
handleError();
}
}
@ -120,12 +120,13 @@ public:
size_t getPublicKey(unsigned char* out, size_t outLength) const
{
if(outLength < publicKeyLength()) {
size_t pubKeyLen = publicKeyLength();
if(outLength < pubKeyLen) {
throw new DlAbortEx("Insufficient buffer for public key. expect:%u, actual:%u",
publicKeyLength(), outLength);
}
size_t nwritten = BN_bn2bin(_publicKey, out);
if(!nwritten) {
if(nwritten != pubKeyLen) {
handleError();
}
return nwritten;
@ -133,7 +134,7 @@ public:
void generateNonce(unsigned char* out, size_t outLength) const
{
if(!RAND_bytes(out, outLength)) {
if(RAND_bytes(out, outLength) != 1) {
handleError();
}
}
@ -142,7 +143,8 @@ public:
const unsigned char* peerPublicKeyData,
size_t peerPublicKeyLength) const
{
if(outLength < publicKeyLength()) {
size_t pubKeyLen = publicKeyLength();
if(outLength < pubKeyLen) {
throw new DlAbortEx("Insufficient buffer for secret. expect:%u, actual:%u",
publicKeyLength(), outLength);
}
@ -159,7 +161,7 @@ public:
size_t nwritten = BN_bn2bin(secret, out);
BN_free(secret);
if(!nwritten) {
if(nwritten != pubKeyLen) {
handleError();
}
return nwritten;