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I2P: End-to-End encrypted and anonymous Internet
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28 lines
640 B
28 lines
640 B
7 years ago
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#include "CryptoKey.h"
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namespace i2p
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{
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namespace crypto
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{
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void CreateECIESP256RandomKeys (uint8_t * priv, uint8_t * pub)
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{
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EC_GROUP * curve = EC_GROUP_new_by_curve_name (NID_X9_62_prime256v1);
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EC_POINT * p = nullptr;
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BIGNUM * key = nullptr;
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GenerateECIESKeyPair (curve, key, p);
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bn2buf (key, priv, 32);
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RAND_bytes (priv + 32, 224);
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BN_free (key);
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BIGNUM * x = BN_new (), * y = BN_new ();
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EC_POINT_get_affine_coordinates_GFp (curve, p, x, y, NULL);
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bn2buf (x, pub, 32);
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bn2buf (y, pub + 32, 32);
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RAND_bytes (priv + 64, 192);
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EC_POINT_free (p);
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BN_free (x); BN_free (y);
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EC_GROUP_free (curve);
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}
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}
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}
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