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-rw-r--r--plugins/CryptoPP/src/cpp_rsau.cpp160
1 files changed, 69 insertions, 91 deletions
diff --git a/plugins/CryptoPP/src/cpp_rsau.cpp b/plugins/CryptoPP/src/cpp_rsau.cpp
index e9ad825dd0..b0913219fa 100644
--- a/plugins/CryptoPP/src/cpp_rsau.cpp
+++ b/plugins/CryptoPP/src/cpp_rsau.cpp
@@ -2,39 +2,41 @@
const string padding = "PADDING!PADDING!PADDING!PADDING!"; // 256 bit
-
-string pad256(string& str) {
+string pad256(string& str)
+{
string out = str;
int pad = out.length() % 32;
- if ( pad ) { // надо выровнять на 256 бит
- if ( pad>3 ) {
- out += tlv(0,padding.substr(0,32-3-pad));
- }
- else {
- if ( pad==3 ) out += string("\0\0\0");
- else
- if ( pad==2 ) out += string("\0\0");
- else out += string("\0");
- }
+ if (pad) { // надо выровнять на 256 бит
+ if (pad > 3) {
+ out += tlv(0, padding.substr(0, 32 - 3 - pad));
+ }
+ else {
+ if (pad == 3) out += string("\0\0\0");
+ else
+ if (pad == 2) out += string("\0\0");
+ else out += string("\0");
+ }
}
return out;
}
-string& add_delim(string& str, const string& del, int len) {
+string& add_delim(string& str, const string& del, int len)
+{
string val;
- for ( u_int i=0; i<str.length(); i+=len ) {
- val += str.substr(i,len) + del;
+ for (u_int i = 0; i < str.length(); i += len) {
+ val += str.substr(i, len) + del;
}
str = val;
return str;
}
-string& del_delim(string& str, const string& del) {
+string& del_delim(string& str, const string& del)
+{
string val;
- for ( u_int i=0; i<str.length(); i++ ) {
- if ( del.find(str[i]) == string::npos )
+ for (u_int i = 0; i < str.length(); i++) {
+ if (del.find(str[i]) == string::npos)
val += str[i];
}
str = val;
@@ -42,157 +44,140 @@ string& del_delim(string& str, const string& del) {
}
-string tlv(int t, const string& v) {
+string tlv(int t, const string& v)
+{
string b;
- t |= v.length()<<8;
- b.assign((const char*)&t,3);
+ t |= v.length() << 8;
+ b.assign((const char*)&t, 3);
b += v;
return b;
}
-string tlv(int t, const char* v) {
+string tlv(int t, const char* v)
+{
return tlv(t, string(v));
}
-string tlv(int t, int v) {
+string tlv(int t, int v)
+{
string s;
- u_int l=(v<=0xFF)?1:((v<=0xFFFF)?2:((v<=0xFFFFFF)?3:4));
- s.assign((char*)&v,l);
- return tlv(t,s);
+ u_int l = (v <= 0xFF) ? 1 : ((v <= 0xFFFF) ? 2 : ((v <= 0xFFFFFF) ? 3 : 4));
+ s.assign((char*)&v, l);
+ return tlv(t, s);
}
-string& un_tlv(string& b, int& t, string& v) {
+string& un_tlv(string& b, int& t, string& v)
+{
string r; v = r;
- if ( b.length() > 3 ) {
+ if (b.length() > 3) {
t = 0;
- b.copy((char*)&t,3);
- u_int l = t>>8;
+ b.copy((char*)&t, 3);
+ u_int l = t >> 8;
t &= 0xFF;
- if ( b.length() >= 3+l ) {
- v = b.substr(3,l);
- r = b.substr(3+l);
+ if (b.length() >= 3 + l) {
+ v = b.substr(3, l);
+ r = b.substr(3 + l);
}
}
- if ( !v.length() ) {
+ if (!v.length()) {
t = -1;
}
b = r;
return b;
}
-
-string& un_tlv(string& b, int& t, int& v) {
+string& un_tlv(string& b, int& t, int& v)
+{
string s;
- un_tlv(b,t,s);
+ un_tlv(b, t, s);
v = 0;
- s.copy((char*)&v,s.length());
+ s.copy((char*)&v, s.length());
return b;
}
-
-int str2int(string& s) {
+int str2int(string& s)
+{
int v = 0;
- if ( s.length()<=sizeof(int) )
- s.copy((char*)&v,s.length());
+ if (s.length() <= sizeof(int))
+ s.copy((char*)&v, s.length());
return v;
}
-
string hash(string& b)
{
- return ::hash((PBYTE)b.data(),b.length());
+ return ::hash((PBYTE)b.data(), b.length());
}
-
string hash(PBYTE b, int l)
{
BYTE h[RSA_KEYSIZE];
RSA_CalculateDigest(h, b, l);
- string s; s.assign((char*)&h,RSA_KEYSIZE);
+ string s; s.assign((char*)&h, RSA_KEYSIZE);
return s;
}
-
string hash128(string& b)
{
- return hash128((PBYTE)b.data(),b.length());
+ return hash128((PBYTE)b.data(), b.length());
}
-
string hash128(LPSTR b)
{
- return hash128((PBYTE)b,strlen(b));
+ return hash128((PBYTE)b, strlen(b));
}
-
string hash128(PBYTE b, int l)
{
BYTE h[RIPEMD128::DIGESTSIZE];
RIPEMD128().CalculateDigest(h, b, l);
- string s; s.assign((char*)&h,sizeof(h));
+ string s; s.assign((char*)&h, sizeof(h));
return s;
}
-
string hash256(string& b)
{
- return hash256((PBYTE)b.data(),b.length());
+ return hash256((PBYTE)b.data(), b.length());
}
-
string hash256(LPSTR b)
{
- return hash256((PBYTE)b,strlen(b));
+ return hash256((PBYTE)b, strlen(b));
}
-
string hash256(PBYTE b, int l)
{
-// BYTE h[SHA256::DIGESTSIZE];
-// SHA256().CalculateDigest(h, b, l);
BYTE h[RIPEMD256::DIGESTSIZE];
RIPEMD256().CalculateDigest(h, b, l);
- string s; s.assign((char*)&h,sizeof(h));
+ string s; s.assign((char*)&h, sizeof(h));
return s;
}
-
Integer BinaryToInteger(const string& data)
{
- StringSource ss(data, true, NULL);
- SecByteBlock result(ss.MaxRetrievable());
- ss.Get(result, result.size());
- return Integer(result, result.size());
+ StringSource ss(data, true, NULL);
+ SecByteBlock result(ss.MaxRetrievable());
+ ss.Get(result, result.size());
+ return Integer(result, result.size());
}
-
string IntegerToBinary(const Integer& value)
{
- SecByteBlock sbb(value.MinEncodedSize());
- value.Encode(sbb, sbb.size());
- string data;
- StringSource(sbb, sbb.size(), true, new StringSink(data));
- return data;
+ SecByteBlock sbb(value.MinEncodedSize());
+ value.Encode(sbb, sbb.size());
+ string data;
+ StringSource(sbb, sbb.size(), true, new StringSink(data));
+ return data;
}
-/*
-RandomPool& GlobalRNG()
-{
- static RandomPool randomPool;
- return randomPool;
-}
-*/
-
AutoSeededRandomPool& GlobalRNG()
{
static AutoSeededRandomPool randomPool;
return randomPool;
}
-
void GenerateRSAKey(unsigned int keyLength, string& privKey, string& pubKey)
{
RSAES_PKCS1v15_Decryptor priv(GlobalRNG(), keyLength);
@@ -206,7 +191,6 @@ void GenerateRSAKey(unsigned int keyLength, string& privKey, string& pubKey)
pubFile.MessageEnd();
}
-
string RSAEncryptString(const RSA::PublicKey& pubkey, const string& plaintext)
{
RSAES_PKCS1v15_Encryptor pub(pubkey);
@@ -216,7 +200,6 @@ string RSAEncryptString(const RSA::PublicKey& pubkey, const string& plaintext)
return result;
}
-
string RSADecryptString(const RSA::PrivateKey& privkey, const string& ciphertext)
{
RSAES_PKCS1v15_Decryptor priv(privkey);
@@ -225,13 +208,12 @@ string RSADecryptString(const RSA::PrivateKey& privkey, const string& ciphertext
try {
StringSource(ciphertext, true, new PK_DecryptorFilter(GlobalRNG(), priv, new StringSink(result)));
}
- catch (...) {
+ catch (...) {
;
}
return result;
}
-
string RSASignString(const RSA::PrivateKey& privkey, const string& plaintext)
{
RSASSA_PKCS1v15_SHA_Signer priv(privkey);
@@ -240,19 +222,15 @@ string RSASignString(const RSA::PrivateKey& privkey, const string& plaintext)
try {
StringSource(plaintext, true, new SignerFilter(GlobalRNG(), priv, new StringSink(result)));
}
- catch (...) {
+ catch (...) {
;
}
return result;
}
-
BOOL RSAVerifyString(const RSA::PublicKey& pubkey, const string& plaintext, const string& sig)
{
- RSASSA_PKCS1v15_SHA_Verifier ver(pubkey);
+ RSASSA_PKCS1v15_SHA_Verifier ver(pubkey);
- return ver.VerifyMessage((PBYTE)plaintext.data(), plaintext.length(), (PBYTE)sig.data(), sig.length());
+ return ver.VerifyMessage((PBYTE)plaintext.data(), plaintext.length(), (PBYTE)sig.data(), sig.length());
}
-
-
-// EOF
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 00:25:58 +0000