diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/crypto/api-samples.rst | 52 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/samsung,exynos-rng4.txt (renamed from Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt) | 0 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt | 4 |
3 files changed, 13 insertions, 43 deletions
diff --git a/Documentation/crypto/api-samples.rst b/Documentation/crypto/api-samples.rst index 2531948db89f..006827e30d06 100644 --- a/Documentation/crypto/api-samples.rst +++ b/Documentation/crypto/api-samples.rst @@ -7,59 +7,27 @@ Code Example For Symmetric Key Cipher Operation :: - struct tcrypt_result { - struct completion completion; - int err; - }; - /* tie all data structures together */ struct skcipher_def { struct scatterlist sg; struct crypto_skcipher *tfm; struct skcipher_request *req; - struct tcrypt_result result; + struct crypto_wait wait; }; - /* Callback function */ - static void test_skcipher_cb(struct crypto_async_request *req, int error) - { - struct tcrypt_result *result = req->data; - - if (error == -EINPROGRESS) - return; - result->err = error; - complete(&result->completion); - pr_info("Encryption finished successfully\n"); - } - /* Perform cipher operation */ static unsigned int test_skcipher_encdec(struct skcipher_def *sk, int enc) { - int rc = 0; + int rc; if (enc) - rc = crypto_skcipher_encrypt(sk->req); + rc = crypto_wait_req(crypto_skcipher_encrypt(sk->req), &sk->wait); else - rc = crypto_skcipher_decrypt(sk->req); - - switch (rc) { - case 0: - break; - case -EINPROGRESS: - case -EBUSY: - rc = wait_for_completion_interruptible( - &sk->result.completion); - if (!rc && !sk->result.err) { - reinit_completion(&sk->result.completion); - break; - } - default: - pr_info("skcipher encrypt returned with %d result %d\n", - rc, sk->result.err); - break; - } - init_completion(&sk->result.completion); + rc = crypto_wait_req(crypto_skcipher_decrypt(sk->req), &sk->wait); + + if (rc) + pr_info("skcipher encrypt returned with result %d\n", rc); return rc; } @@ -89,8 +57,8 @@ Code Example For Symmetric Key Cipher Operation } skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - test_skcipher_cb, - &sk.result); + crypto_req_done, + &sk.wait); /* AES 256 with random key */ get_random_bytes(&key, 32); @@ -122,7 +90,7 @@ Code Example For Symmetric Key Cipher Operation /* We encrypt one block */ sg_init_one(&sk.sg, scratchpad, 16); skcipher_request_set_crypt(req, &sk.sg, &sk.sg, 16, ivdata); - init_completion(&sk.result.completion); + crypto_init_wait(&sk.wait); /* encrypt data */ ret = test_skcipher_encdec(&sk, 1); diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt b/Documentation/devicetree/bindings/crypto/samsung,exynos-rng4.txt index 4ca8dd4d7e66..4ca8dd4d7e66 100644 --- a/Documentation/devicetree/bindings/rng/samsung,exynos-rng4.txt +++ b/Documentation/devicetree/bindings/crypto/samsung,exynos-rng4.txt diff --git a/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt b/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt index e25a456664b9..0014da9145af 100644 --- a/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt +++ b/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt @@ -1,7 +1,9 @@ HWRNG support for the iproc-rng200 driver Required properties: -- compatible : "brcm,iproc-rng200" +- compatible : Must be one of: + "brcm,bcm7278-rng200" + "brcm,iproc-rng200" - reg : base address and size of control register block Example: |