- EVP_EncryptInit(ctx,type,key,iv);
- for (i=0; i<npubk; i++)
- {
- if (pubk[i]->type != EVP_PKEY_RSA)
- {
- EVPerr(EVP_F_EVP_SEALINIT,EVP_R_PUBLIC_KEY_NOT_RSA);
- goto err;
- }
- n=RSA_public_encrypt(type->key_len,key,ek[i],pubk[i]->pkey.rsa,
- RSA_PKCS1_PADDING);
- if (n <= 0) goto err;
- ekl[i]=n;
- }
- ret=npubk;
-err:
- memset(key,0,EVP_MAX_KEY_LENGTH);
- return(ret);
- }
+ if (type) {
+ EVP_CIPHER_CTX_init(ctx);
+ if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL))
+ return 0;
+ }
+ if ((npubk <= 0) || !pubk)
+ return 1;
+ if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
+ return 0;
+ if (EVP_CIPHER_CTX_iv_length(ctx))
+ RAND_pseudo_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx));