hmac_sha512 970 maint/gnulib/lib/gc-gnulib.c hmac_sha512 (key, keylen, in, inlen, resbuf); hmac_sha512 53 maint/gnulib/lib/hmac.h hmac_sha512 (const void *key, size_t keylen, hmac_sha512 33 maint/gnulib/tests/test-hmac-sha512.c if (hmac_sha512 (key, key_len, data, data_len, out) != 0)