crypto/hmac_sha256: add partial progress functions.

[ccan] / ccan / crypto / hmac_sha256 / test / api-rfc4231.c

diff --git a/ccan/crypto/hmac_sha256/test/api-rfc4231.c b/ccan/crypto/hmac_sha256/test/api-rfc4231.c
index 0c2b2ee559bd850878bc1ea82757bbc7eb4d16b1..ed99b0eb8978b8998d132f3554df3fcf8d635cd5 100644 (file)
--- a/ccan/crypto/hmac_sha256/test/api-rfc4231.c
+++ b/ccan/crypto/hmac_sha256/test/api-rfc4231.c
@@ -129,11 +129,12 @@ int main(void)
        size_t i;
        struct hmac_sha256 hmac;
 
-       plan_tests(sizeof(tests) / sizeof(tests[0]));
+       plan_tests(sizeof(tests) / sizeof(tests[0]) * 2);
 
        for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
                size_t ksize, dsize, hmacsize;
                void *k, *d, *expect;
+               struct hmac_sha256_ctx ctx;
 
                k = fromhex(tests[i].key, &ksize);
                d = fromhex(tests[i].data, &dsize);
@@ -141,6 +142,14 @@ int main(void)
                assert(hmacsize == sizeof(hmac));
                hmac_sha256(&hmac, k, ksize, d, dsize);
                ok1(memcmp(&hmac, expect, hmacsize) == 0);
+
+               /* Now test partial API. */
+               hmac_sha256_init(&ctx, k, ksize);
+               hmac_sha256_update(&ctx, d, dsize / 2);
+               hmac_sha256_update(&ctx, (char *)d + dsize/2, dsize - dsize/2);
+               hmac_sha256_done(&ctx, &hmac);
+               ok1(memcmp(&hmac, expect, hmacsize) == 0);
+
                free(k);
                free(d);
                free(expect);