target/linux/mxs/patches-4.14/110-crypto-mxsdcp-provide-importexport.patch

   1 --- a/drivers/crypto/mxs-dcp.c
   2 +++ b/drivers/crypto/mxs-dcp.c
   3 @@ -777,6 +777,24 @@ static void dcp_sha_cra_exit(struct cryp
   4  {
   5  }
   6
   7 +static int dcp_sha_export(struct ahash_request *req, void *out)
   8 +{
   9 +       struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
  10 +
  11 +       memcpy(out, rctx, sizeof(struct dcp_sha_req_ctx));
  12 +
  13 +       return 0;
  14 +}
  15 +
  16 +static int dcp_sha_import(struct ahash_request *req, const void *in)
  17 +{
  18 +       struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
  19 +
  20 +       memcpy(rctx, in, sizeof(struct dcp_sha_req_ctx));
  21 +
  22 +       return 0;
  23 +}
  24 +
  25  /* AES 128 ECB and AES 128 CBC */
  26  static struct crypto_alg dcp_aes_algs[] = {
  27         {
  28 @@ -836,8 +854,11 @@ static struct ahash_alg dcp_sha1_alg = {
  29         .final  = dcp_sha_final,
  30         .finup  = dcp_sha_finup,
  31         .digest = dcp_sha_digest,
  32 +       .import = dcp_sha_import,
  33 +       .export = dcp_sha_export,
  34         .halg   = {
  35                 .digestsize     = SHA1_DIGEST_SIZE,
  36 +               .statesize      = sizeof(struct dcp_sha_req_ctx),
  37                 .base           = {
  38                         .cra_name               = "sha1",
  39                         .cra_driver_name        = "sha1-dcp",
  40 @@ -860,8 +881,11 @@ static struct ahash_alg dcp_sha256_alg =
  41         .final  = dcp_sha_final,
  42         .finup  = dcp_sha_finup,
  43         .digest = dcp_sha_digest,
  44 +       .import = dcp_sha_import,
  45 +       .export = dcp_sha_export,
  46         .halg   = {
  47                 .digestsize     = SHA256_DIGEST_SIZE,
  48 +               .statesize      = sizeof(struct dcp_sha_req_ctx),
  49                 .base           = {
  50                         .cra_name               = "sha256",
  51                         .cra_driver_name        = "sha256-dcp",