gc_cipher_setkey 256 maint/gnulib/lib/gc-gnulib.c gc_cipher_setkey (gc_cipher_handle handle, size_t keylen, const char *key) gc_cipher_setkey 196 maint/gnulib/lib/gc-libgcrypt.c gc_cipher_setkey (gc_cipher_handle handle, size_t keylen, const char *key)