lib/hcrypto/evp-openssl.c

114     struct ossl_cipher_ctx *ossl_ctx = ctx->cipher_data; /* EVP_CIPHER_CTX wrapper */
117     assert(ossl_ctx != NULL);
134     c = ossl_ctx->ossl_cipher = ctx->cipher->app_data; /* OpenSSL's EVP_CIPHER * */
135     if (!ossl_ctx->initialized) {
136         ossl_ctx->ossl_cipher_ctx = EVP_CIPHER_CTX_new();
137         if (ossl_ctx->ossl_cipher_ctx == NULL)
143         if (!EVP_CipherInit_ex(ossl_ctx->ossl_cipher_ctx, c, NULL, NULL, NULL, enc))
145         ossl_ctx->initialized = 1;
151         EVP_CIPHER_CTX_set_key_length(ossl_ctx->ossl_cipher_ctx, ctx->key_len);
153     return EVP_CipherInit_ex(ossl_ctx->ossl_cipher_ctx, NULL, NULL, key, iv, enc);
160     struct ossl_cipher_ctx *ossl_ctx = ctx->cipher_data;
162     assert(ossl_ctx != NULL);
163     return EVP_Cipher(ossl_ctx->ossl_cipher_ctx, out, in, len);
169     struct ossl_cipher_ctx *ossl_ctx = ctx->cipher_data;
171     if (ossl_ctx == NULL || !ossl_ctx->initialized)
174     if (ossl_ctx->ossl_cipher_ctx != NULL)
175         EVP_CIPHER_CTX_free(ossl_ctx->ossl_cipher_ctx);
177     ossl_ctx->ossl_cipher_ctx = NULL;
178     ossl_ctx->ossl_cipher = NULL;
179     ossl_ctx->initialized = 0;
186     struct ossl_cipher_ctx *ossl_ctx = ctx->cipher_data;
188     assert(ossl_ctx != NULL);
189     return EVP_CIPHER_CTX_ctrl(ossl_ctx->ossl_cipher_ctx, type, arg, ptr);