--- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -831,6 +831,24 @@ static void dcp_sha_cra_exit(struct cryp { } +static int dcp_sha_export(struct ahash_request *req, void *out) +{ + struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req); + + memcpy(out, rctx, sizeof(struct dcp_sha_req_ctx)); + + return 0; +} + +static int dcp_sha_import(struct ahash_request *req, const void *in) +{ + struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req); + + memcpy(rctx, in, sizeof(struct dcp_sha_req_ctx)); + + return 0; +} + /* AES 128 ECB and AES 128 CBC */ static struct crypto_alg dcp_aes_algs[] = { { @@ -890,8 +908,11 @@ static struct ahash_alg dcp_sha1_alg = { .final = dcp_sha_final, .finup = dcp_sha_finup, .digest = dcp_sha_digest, + .import = dcp_sha_import, + .export = dcp_sha_export, .halg = { .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct dcp_sha_req_ctx), .base = { .cra_name = "sha1", .cra_driver_name = "sha1-dcp", @@ -914,8 +935,11 @@ static struct ahash_alg dcp_sha256_alg = .final = dcp_sha_final, .finup = dcp_sha_finup, .digest = dcp_sha_digest, + .import = dcp_sha_import, + .export = dcp_sha_export, .halg = { .digestsize = SHA256_DIGEST_SIZE, + .statesize = sizeof(struct dcp_sha_req_ctx), .base = { .cra_name = "sha256", .cra_driver_name = "sha256-dcp",