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eddsa signer fallback

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orignal 2018-09-14 21:23:16 -04:00
parent 52ff568d86
commit 7c70affd7f
2 changed files with 70 additions and 35 deletions
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34
libi2pd/Signature.h
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@ -385,6 +385,24 @@ namespace crypto
#endif
};
class EDDSA25519SignerCompat: public Signer
{
public:
EDDSA25519SignerCompat (const uint8_t * signingPrivateKey, const uint8_t * signingPublicKey = nullptr);
// we pass signingPublicKey to check if it matches private key
~EDDSA25519SignerCompat ();
void Sign (const uint8_t * buf, int len, uint8_t * signature) const;
const uint8_t * GetPublicKey () const { return m_PublicKeyEncoded; }; // for keys creation
private:
uint8_t m_ExpandedPrivateKey[64];
uint8_t m_PublicKeyEncoded[EDDSA25519_PUBLIC_KEY_LENGTH];
};
#if OPENSSL_EDDSA
class EDDSA25519Signer: public Signer
{
public:
@ -394,20 +412,18 @@ namespace crypto
~EDDSA25519Signer ();
void Sign (const uint8_t * buf, int len, uint8_t * signature) const;
#if !OPENSSL_EDDSA
const uint8_t * GetPublicKey () const { return m_PublicKeyEncoded; }; // for keys creation
#endif
private:
#if OPENSSL_EDDSA
EVP_PKEY * m_Pkey;
EVP_MD_CTX * m_MDCtx;
#else
uint8_t m_ExpandedPrivateKey[64];
uint8_t m_PublicKeyEncoded[EDDSA25519_PUBLIC_KEY_LENGTH];
#endif
EVP_MD_CTX * m_MDCtx;
EDDSA25519SignerCompat * m_Fallback;
};
#else
typedef EDDSA25519SignerCompat EDDSA25519Signer;
#endif
inline void CreateEDDSA25519RandomKeys (uint8_t * signingPrivateKey, uint8_t * signingPublicKey)
{
#if OPENSSL_EDDSA