hmac_sha1 950 maint/gnulib/lib/gc-gnulib.c hmac_sha1 (key, keylen, in, inlen, resbuf); hmac_sha1 37 maint/gnulib/lib/hmac.h hmac_sha1 (const void *key, size_t keylen, hmac_sha1 33 maint/gnulib/tests/test-hmac-sha1.c if (hmac_sha1 (key, key_len, data, data_len, out) != 0)