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extract and verify LS2 transient key

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orignal 2019-01-01 17:00:37 -05:00
parent 812e2814bc
commit bce4224d6e
6 changed files with 108 additions and 67 deletions
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26
libi2pd/Signature.cpp
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@ -7,35 +7,43 @@ namespace i2p
namespace crypto
{
#if OPENSSL_EDDSA
EDDSA25519Verifier::EDDSA25519Verifier (const uint8_t * signingKey)
EDDSA25519Verifier::EDDSA25519Verifier ()
{
m_Pkey = EVP_PKEY_new_raw_public_key (EVP_PKEY_ED25519, NULL, signingKey, 32);
m_MDCtx = EVP_MD_CTX_create ();
EVP_DigestVerifyInit (m_MDCtx, NULL, NULL, NULL, m_Pkey);
}
EDDSA25519Verifier::~EDDSA25519Verifier ()
{
EVP_MD_CTX_destroy (m_MDCtx);
EVP_PKEY_free (m_Pkey);
if (m_Pkey) EVP_PKEY_free (m_Pkey);
}
void EDDSA25519Verifier::SetPublicKey (const uint8_t * signingKey)
{
m_Pkey = EVP_PKEY_new_raw_public_key (EVP_PKEY_ED25519, NULL, signingKey, 32);
EVP_DigestVerifyInit (m_MDCtx, NULL, NULL, NULL, m_Pkey);
}
bool EDDSA25519Verifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
return EVP_DigestVerify (m_MDCtx, signature, 64, buf, len);
}
#else
EDDSA25519Verifier::EDDSA25519Verifier (const uint8_t * signingKey)
EDDSA25519Verifier::EDDSA25519Verifier ()
{
}
EDDSA25519Verifier::~EDDSA25519Verifier ()
{
}
void EDDSA25519Verifier::SetPublicKey (const uint8_t * signingKey)
{
memcpy (m_PublicKeyEncoded, signingKey, EDDSA25519_PUBLIC_KEY_LENGTH);
BN_CTX * ctx = BN_CTX_new ();
m_PublicKey = GetEd25519 ()->DecodePublicKey (m_PublicKeyEncoded, ctx);
BN_CTX_free (ctx);
}
EDDSA25519Verifier::~EDDSA25519Verifier ()
{
}
bool EDDSA25519Verifier::Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const