59 struct cipher_ctx {  struct
152     struct cipher_ctx *cipher_ctx =  in cipher_init()  local
153         (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);  in cipher_init()
158     if (cipher_ctx->sess.ses != 0 &&  in cipher_init()
159         clean_devcrypto_session(&cipher_ctx->sess) == 0)  in cipher_init()
162     cipher_ctx->sess.cipher = cipher_d->devcryptoid;  in cipher_init()
163     cipher_ctx->sess.keylen = cipher_d->keylen;  in cipher_init()
164     cipher_ctx->sess.key = (void *)key;  in cipher_init()
165     cipher_ctx->op = enc ? COP_ENCRYPT : COP_DECRYPT;  in cipher_init()
166     cipher_ctx->mode = cipher_d->flags & EVP_CIPH_MODE;  in cipher_init()
167     cipher_ctx->blocksize = cipher_d->blocksize;  in cipher_init()
168     if (ioctl(cfd, CIOCGSESSION, &cipher_ctx->sess) < 0) {  in cipher_init()
179     struct cipher_ctx *cipher_ctx =  in cipher_do_cipher()  local
180         (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);  in cipher_do_cipher()
190     cryp.ses = cipher_ctx->sess.ses;  in cipher_do_cipher()
195     cryp.op = cipher_ctx->op;  in cipher_do_cipher()
201         switch (cipher_ctx->mode) {  in cipher_do_cipher()
227         switch (cipher_ctx->mode) {  in cipher_do_cipher()
239             nblocks = (inl + cipher_ctx->blocksize - 1)  in cipher_do_cipher()
240                       / cipher_ctx->blocksize;  in cipher_do_cipher()
260     struct cipher_ctx *cipher_ctx =  in ctr_do_cipher()  local
261         (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);  in ctr_do_cipher()
265     while (cipher_ctx->num && inl) {  in ctr_do_cipher()
266         (*out++) = *(in++) ^ cipher_ctx->partial[cipher_ctx->num];  in ctr_do_cipher()
268         cipher_ctx->num = (cipher_ctx->num + 1) % cipher_ctx->blocksize;  in ctr_do_cipher()
272     if (inl > (unsigned int) cipher_ctx->blocksize) {  in ctr_do_cipher()
273         nblocks = inl/cipher_ctx->blocksize;  in ctr_do_cipher()
274         len = nblocks * cipher_ctx->blocksize;  in ctr_do_cipher()
284         memset(cipher_ctx->partial, 0, cipher_ctx->blocksize);  in ctr_do_cipher()
285         if (cipher_do_cipher(ctx, cipher_ctx->partial, cipher_ctx->partial,  in ctr_do_cipher()
286             cipher_ctx->blocksize) < 1)  in ctr_do_cipher()
289             out[cipher_ctx->num] = in[cipher_ctx->num]  in ctr_do_cipher()
290                                    ^ cipher_ctx->partial[cipher_ctx->num];  in ctr_do_cipher()
291             cipher_ctx->num++;  in ctr_do_cipher()
300     struct cipher_ctx *cipher_ctx =  in cipher_ctrl()  local
301         (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);  in cipher_ctrl()
303     struct cipher_ctx *to_cipher_ctx;  in cipher_ctrl()
307         if (cipher_ctx == NULL)  in cipher_ctrl()
311             (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(to_ctx);  in cipher_ctrl()
313         return cipher_init(to_ctx, cipher_ctx->sess.key, EVP_CIPHER_CTX_iv(ctx),  in cipher_ctrl()
314                            (cipher_ctx->op == COP_ENCRYPT));  in cipher_ctrl()
317         memset(&cipher_ctx->sess, 0, sizeof(cipher_ctx->sess));  in cipher_ctrl()
329     struct cipher_ctx *cipher_ctx =  in cipher_cleanup()  local
330         (struct cipher_ctx *)EVP_CIPHER_CTX_get_cipher_data(ctx);  in cipher_cleanup()
332     return clean_devcrypto_session(&cipher_ctx->sess);  in cipher_cleanup()
389                                                   sizeof(struct cipher_ctx))) {  in prepare_cipher_methods()