Mirrors/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2025-04-28 11:47:48 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

extract and verify LS2 transient key

Browse source
This commit is contained in:
orignal 2019-01-01 17:00:37 -05:00
parent 812e2814bc
commit bce4224d6e
6 changed files with 108 additions and 67 deletions
Download patch file Download diff file Expand all files Collapse all files

29
libi2pd/Signature.h
View file

@ -24,6 +24,7 @@ namespace crypto
virtual size_t GetPublicKeyLen () const = 0;
virtual size_t GetSignatureLen () const = 0;
virtual size_t GetPrivateKeyLen () const { return GetSignatureLen ()/2; };
virtual void SetPublicKey (const uint8_t * signingKey) = 0;
};
class Signer
@ -41,9 +42,13 @@ namespace crypto
{
public:
DSAVerifier (const uint8_t * signingKey)
DSAVerifier ()
{
m_PublicKey = CreateDSA ();
}
void SetPublicKey (const uint8_t * signingKey)
{
DSA_set0_key (m_PublicKey, BN_bin2bn (signingKey, DSA_PUBLIC_KEY_LENGTH, NULL), NULL);
}
@ -154,9 +159,13 @@ namespace crypto
{
public:
ECDSAVerifier (const uint8_t * signingKey)
ECDSAVerifier ()
{
m_PublicKey = EC_KEY_new_by_curve_name (curve);
}
void SetPublicKey (const uint8_t * signingKey)
{
BIGNUM * x = BN_bin2bn (signingKey, keyLen/2, NULL);
BIGNUM * y = BN_bin2bn (signingKey + keyLen/2, keyLen/2, NULL);
EC_KEY_set_public_key_affine_coordinates (m_PublicKey, x, y);
@ -275,7 +284,8 @@ namespace crypto
{
public:
EDDSA25519Verifier (const uint8_t * signingKey);
EDDSA25519Verifier ();
void SetPublicKey (const uint8_t * signingKey);
~EDDSA25519Verifier ();
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const;
@ -386,15 +396,22 @@ namespace crypto
enum { keyLen = Hash::hashLen };
GOSTR3410Verifier (GOSTR3410ParamSet paramSet, const uint8_t * signingKey):
m_ParamSet (paramSet)
GOSTR3410Verifier (GOSTR3410ParamSet paramSet):
m_ParamSet (paramSet), m_PublicKey (nullptr)
{
}
void SetPublicKey (const uint8_t * signingKey)
{
BIGNUM * x = BN_bin2bn (signingKey, GetPublicKeyLen ()/2, NULL);
BIGNUM * y = BN_bin2bn (signingKey + GetPublicKeyLen ()/2, GetPublicKeyLen ()/2, NULL);
m_PublicKey = GetGOSTR3410Curve (m_ParamSet)->CreatePoint (x, y);
BN_free (x); BN_free (y);
}
~GOSTR3410Verifier () { EC_POINT_free (m_PublicKey); }
~GOSTR3410Verifier ()
{
if (m_PublicKey) EC_POINT_free (m_PublicKey);
}
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{