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Update ZUC

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This commit is contained in:
Zhi Guan
2024-04-29 22:39:26 +08:00
parent 5cf6f2609e
commit b351803fbc
3 changed files with 19 additions and 16 deletions
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11
src/zuc.c
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
@@ -224,7 +224,6 @@ void zuc_generate_keystream(ZUC_STATE *state, size_t nwords, uint32_t *keystream
//keystream[i] = X3 ^ F(X0, X1, X2);
keystream[i] = X3 ^ ((X0 ^ R1) + R2);
W1 = R1 + X1;
W2 = R2 ^ X2;
U = L1((W1 << 16) | (W2 >> 16));
@@ -575,6 +574,14 @@ void zuc256_init(ZUC_STATE *key, const uint8_t K[32],
zuc256_set_mac_key(key, K, IV, 0);
}
uint32_t zuc256_generate_keyword(ZUC_STATE *state) {
return zuc_generate_keyword(state);
}
void zuc256_generate_keystream(ZUC_STATE *state, size_t nwords, uint32_t *keystream) {
zuc_generate_keystream(state, nwords, keystream);
}
void zuc256_mac_init(ZUC256_MAC_CTX *ctx, const uint8_t key[32],
const uint8_t iv[23], int macbits)
{