C++ (Cpp) get_cipher_data Examples

Example #1

File: e_devcrypto.c Project: ciz/openssl

static int cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                       const unsigned char *iv, int enc)
{
    struct cipher_ctx *cipher_ctx =
        (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);
    const struct cipher_data_st *cipher_d =
        get_cipher_data(EVP_CIPHER_CTX_nid(ctx));

    /* cleanup a previous session */
    if (cipher_ctx->sess.ses != 0 &&
        clean_devcrypto_session(&cipher_ctx->sess) == 0)
        return 0;

    cipher_ctx->sess.cipher = cipher_d->devcryptoid;
    cipher_ctx->sess.keylen = cipher_d->keylen;
    cipher_ctx->sess.key = (void *)key;
    cipher_ctx->op = enc ? COP_ENCRYPT : COP_DECRYPT;
    cipher_ctx->mode = cipher_d->flags & EVP_CIPH_MODE;
    cipher_ctx->blocksize = cipher_d->blocksize;
    if (ioctl(cfd, CIOCGSESSION, &cipher_ctx->sess) < 0) {
        SYSerr(SYS_F_IOCTL, errno);
        return 0;
    }

    return 1;
}

Example #2

File: eng_devcrypto.c Project: ozaki-r/netbsd-src

static int cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                       const unsigned char *iv, int enc)
{
    struct cipher_ctx *cipher_ctx =
        (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);
    const struct cipher_data_st *cipher_d =
        get_cipher_data(EVP_CIPHER_CTX_nid(ctx));

    if ((cipher_ctx->cfd = open("/dev/crypto", O_RDWR, 0)) < 0) {
        SYSerr(SYS_F_OPEN, errno);
        return 0;
    }

    memset(&cipher_ctx->sess, 0, sizeof(cipher_ctx->sess));
    cipher_ctx->sess.cipher = cipher_d->devcryptoid;
    cipher_ctx->sess.keylen = cipher_d->keylen;
    cipher_ctx->sess.key = (void *)key;
    cipher_ctx->op = enc ? COP_ENCRYPT : COP_DECRYPT;
    if (ioctl(cipher_ctx->cfd, CIOCGSESSION, &cipher_ctx->sess) < 0) {
        SYSerr(SYS_F_IOCTL, errno);
        close(cipher_ctx->cfd);
        return 0;
    }

    return 1;
}