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Hakase
2020-04-25 19:56:17 +09:00
parent 2015c00c43
commit 80ef640063
5977 changed files with 13451 additions and 5979 deletions
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crypto/ec/curve25519.c
+15 -4
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@@ -1,5 +1,5 @@
/*
* Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -5577,13 +5577,23 @@ err:
return res;
}
void ED25519_public_from_private(uint8_t out_public_key[32],
const uint8_t private_key[32])
int ED25519_public_from_private(OPENSSL_CTX *ctx, uint8_t out_public_key[32],
const uint8_t private_key[32])
{
uint8_t az[SHA512_DIGEST_LENGTH];
ge_p3 A;
int r;
EVP_MD *sha512 = NULL;
SHA512(private_key, 32, az);
sha512 = EVP_MD_fetch(ctx, SN_sha512, NULL);
if (sha512 == NULL)
return 0;
r = EVP_Digest(private_key, 32, az, NULL, sha512, NULL);
EVP_MD_free(sha512);
if (!r) {
OPENSSL_cleanse(az, sizeof(az));
return 0;
}
az[0] &= 248;
az[31] &= 63;
@@ -5593,6 +5603,7 @@ void ED25519_public_from_private(uint8_t out_public_key[32],
ge_p3_tobytes(out_public_key, &A);
OPENSSL_cleanse(az, sizeof(az));
return 1;
}
int X25519(uint8_t out_shared_key[32], const uint8_t private_key[32],