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Make crypto_ed25519.c no longer depend on openssl
Now it calls through our own crypto API.
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@ -32,8 +32,6 @@
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#include "ed25519/ref10/ed25519_ref10.h"
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#include "ed25519/donna/ed25519_donna_tor.h"
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#include <openssl/sha.h>
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static void pick_ed25519_impl(void);
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/** An Ed25519 implementation, as a set of function pointers. */
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@ -442,14 +440,16 @@ ed25519_keypair_from_curve25519_keypair(ed25519_keypair_t *out,
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{
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const char string[] = "Derive high part of ed25519 key from curve25519 key";
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ed25519_public_key_t pubkey_check;
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SHA512_CTX ctx;
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uint8_t sha512_output[64];
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crypto_digest_t *ctx;
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uint8_t sha512_output[DIGEST512_LEN];
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memcpy(out->seckey.seckey, inp->seckey.secret_key, 32);
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SHA512_Init(&ctx);
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SHA512_Update(&ctx, out->seckey.seckey, 32);
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SHA512_Update(&ctx, string, sizeof(string));
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SHA512_Final(sha512_output, &ctx);
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ctx = crypto_digest512_new(DIGEST_SHA512);
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crypto_digest_add_bytes(ctx, (const char*)out->seckey.seckey, 32);
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crypto_digest_add_bytes(ctx, (const char*)string, sizeof(string));
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crypto_digest_get_digest(ctx, (char *)sha512_output, sizeof(sha512_output));
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crypto_digest_free(ctx);
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memcpy(out->seckey.seckey + 32, sha512_output, 32);
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ed25519_public_key_generate(&out->pubkey, &out->seckey);
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