SHA1_CTX
return __crypto_sha1_export(SHA1_CTX(desc), out);
return __crypto_sha1_import(SHA1_CTX(desc), in);
return __crypto_sha1_export_core(SHA1_CTX(desc), out);
return __crypto_sha1_import_core(SHA1_CTX(desc), in);
sha1_init(SHA1_CTX(desc));
sha1_update(SHA1_CTX(desc), data, len);
sha1_final(SHA1_CTX(desc), out);