struct skcipher_request *req = context;
struct skcipher_edesc *edesc;
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
+ struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
int ivsize = crypto_skcipher_ivsize(skcipher);
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
/*
* The crypto API expects us to set the IV (req->iv) to the last
- * ciphertext block. This is used e.g. by the CTS mode.
+ * ciphertext block when running in CBC mode.
*/
- if (ivsize)
+ if ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == OP_ALG_AAI_CBC)
scatterwalk_map_and_copy(req->iv, req->dst, req->cryptlen -
ivsize, ivsize, 0);
/*
* The crypto API expects us to set the IV (req->iv) to the last
- * ciphertext block.
+ * ciphertext block when running in CBC mode.
*/
- if (ivsize)
+ if ((ctx->cdata.algtype & OP_ALG_AAI_MASK) == OP_ALG_AAI_CBC)
scatterwalk_map_and_copy(req->iv, req->src, req->cryptlen -
ivsize, ivsize, 0);