const SSL_CIPHER *ssl3_get_cipher(unsigned int u)
	{
	if (u < SSL3_NUM_CIPHERS)
		return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
	else
		return(NULL);
	}

This weakness pertains to the use of cryptographic functions that are weak, misconfigured, or outdated, which undermines the intended protection of encrypted data and communications.