46     EVP_MD_CTX * const ctx = EVP_MD_CTX_new();  in EVP_HMAC()  local
47     if (NULL == ctx) {  in EVP_HMAC()
52     int rc = (1 == EVP_DigestSignInit(ctx, NULL, evp_md, NULL, pkey))  in EVP_HMAC()
53           && (1 == EVP_DigestSignUpdate(ctx, d, n))  in EVP_HMAC()
54           && (1 == EVP_DigestSignFinal(ctx, md, md_len));  in EVP_HMAC()
55     EVP_MD_CTX_free(ctx);  in EVP_HMAC()
85     struct hmac_sha1_ctx ctx;  in li_hmac_sha1()  local
86     hmac_sha1_set_key(&ctx, slen, (const uint8_t *)secret);  in li_hmac_sha1()
87     hmac_sha1_update(&ctx, mlen, (const uint8_t *)msg);  in li_hmac_sha1()
88     hmac_sha1_digest(&ctx, SHA_DIGEST_LENGTH, (uint8_t *)digest);  in li_hmac_sha1()
161     struct hmac_sha256_ctx ctx;  in li_hmac_sha256()  local
162     hmac_sha256_set_key(&ctx, slen, (const uint8_t *)secret);  in li_hmac_sha256()
163     hmac_sha256_update(&ctx, mlen, (const uint8_t *)msg);  in li_hmac_sha256()
164     hmac_sha256_digest(&ctx, SHA256_DIGEST_LENGTH, (uint8_t *)digest);  in li_hmac_sha256()
237     struct hmac_sha512_ctx ctx;  in li_hmac_sha512()  local
238     hmac_sha512_set_key(&ctx, slen, (const uint8_t *)secret);  in li_hmac_sha512()
239     hmac_sha512_update(&ctx, mlen, (const uint8_t *)msg);  in li_hmac_sha512()
240     hmac_sha512_digest(&ctx, SHA512_DIGEST_LENGTH, (uint8_t *)digest);  in li_hmac_sha512()