DSA_size 3 2003-07-24 0.9.9-dev OpenSSL

### NAME

DSA_size - get DSA signature size

### LIBRARY

libcrypto, -lcrypto

### SYNOPSIS

     #include

     int DSA_size(const DSA *dsa);

### DESCRIPTION

This function returns the size of an ASN.1 encoded DSA signature in bytes. It can be used to determine how much memory must be allocated for a DSA signature.

dsa->q must not be NULL.

### RETURN VALUE

The size in bytes.

### SEE ALSO

openssl_dsa(3), DSA_sign(3)

### HISTORY

DSA_size() is available in all versions of SSLeay and OpenSSL.