diff options
Diffstat (limited to 'crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c')
| -rw-r--r-- | crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c b/crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c index 386c865d832e..ef80a515d756 100644 --- a/crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c +++ b/crypto/openssl/providers/implementations/ciphers/cipher_chacha20.c @@ -1,5 +1,5 @@ /* - * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2019-2023 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 @@ -21,6 +21,7 @@ static OSSL_FUNC_cipher_newctx_fn chacha20_newctx; static OSSL_FUNC_cipher_freectx_fn chacha20_freectx; +static OSSL_FUNC_cipher_dupctx_fn chacha20_dupctx; static OSSL_FUNC_cipher_get_params_fn chacha20_get_params; static OSSL_FUNC_cipher_get_ctx_params_fn chacha20_get_ctx_params; static OSSL_FUNC_cipher_set_ctx_params_fn chacha20_set_ctx_params; @@ -64,6 +65,25 @@ static void chacha20_freectx(void *vctx) } } +static void *chacha20_dupctx(void *vctx) +{ + PROV_CHACHA20_CTX *ctx = (PROV_CHACHA20_CTX *)vctx; + PROV_CHACHA20_CTX *dupctx = NULL; + + if (ctx != NULL) { + dupctx = OPENSSL_memdup(ctx, sizeof(*dupctx)); + if (dupctx != NULL && dupctx->base.tlsmac != NULL && dupctx->base.alloced) { + dupctx->base.tlsmac = OPENSSL_memdup(dupctx->base.tlsmac, + dupctx->base.tlsmacsize); + if (dupctx->base.tlsmac == NULL) { + OPENSSL_free(dupctx); + dupctx = NULL; + } + } + } + return dupctx; +} + static int chacha20_get_params(OSSL_PARAM params[]) { return ossl_cipher_generic_get_params(params, 0, CHACHA20_FLAGS, @@ -187,6 +207,7 @@ int ossl_chacha20_dinit(void *vctx, const unsigned char *key, size_t keylen, const OSSL_DISPATCH ossl_chacha20_functions[] = { { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))chacha20_newctx }, { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))chacha20_freectx }, + { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))chacha20_dupctx }, { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_chacha20_einit }, { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_chacha20_dinit }, { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))chacha20_update }, |