Lines Matching refs:NULL
25 EVP_KDF_CTX *ctx = NULL; in EVP_KDF_CTX_new()
27 if (kdf == NULL) in EVP_KDF_CTX_new()
28 return NULL; in EVP_KDF_CTX_new()
31 if (ctx == NULL in EVP_KDF_CTX_new()
32 || (ctx->algctx = kdf->newctx(ossl_provider_ctx(kdf->prov))) == NULL in EVP_KDF_CTX_new()
35 if (ctx != NULL) in EVP_KDF_CTX_new()
38 ctx = NULL; in EVP_KDF_CTX_new()
47 if (ctx == NULL) in EVP_KDF_CTX_free()
50 ctx->algctx = NULL; in EVP_KDF_CTX_free()
59 if (src == NULL || src->algctx == NULL || src->meth->dupctx == NULL) in EVP_KDF_CTX_dup()
60 return NULL; in EVP_KDF_CTX_dup()
63 if (dst == NULL) in EVP_KDF_CTX_dup()
64 return NULL; in EVP_KDF_CTX_dup()
70 return NULL; in EVP_KDF_CTX_dup()
74 if (dst->algctx == NULL) { in EVP_KDF_CTX_dup()
76 return NULL; in EVP_KDF_CTX_dup()
98 return kdf != NULL && evp_is_a(kdf->prov, kdf->name_id, NULL, name); in EVP_KDF_is_a()
113 if (ctx == NULL) in EVP_KDF_CTX_reset()
116 if (ctx->meth->reset != NULL) in EVP_KDF_CTX_reset()
125 if (ctx == NULL) in EVP_KDF_CTX_get_kdf_size()
129 if (ctx->meth->get_ctx_params != NULL in EVP_KDF_CTX_get_kdf_size()
132 if (ctx->meth->get_params != NULL in EVP_KDF_CTX_get_kdf_size()
141 if (ctx == NULL) in EVP_KDF_derive()
155 if (kdf->get_params != NULL) in EVP_KDF_get_params()
162 if (ctx->meth->get_ctx_params != NULL) in EVP_KDF_CTX_get_params()
169 if (ctx->meth->set_ctx_params != NULL) in EVP_KDF_CTX_set_params()
178 if (kdf->prov != NULL) in EVP_KDF_names_do_all()