prime.h File Reference

Prime number related functions. More...

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Functions
bool	cfe_is_safe_prime (mpz_t p)
cfe_error	cfe_get_prime (mpz_t res, size_t bits, bool safe)

Detailed Description

Prime number related functions.

Function Documentation

cfe_is_safe_prime()

bool cfe_is_safe_prime

(

mpz_t

p

)

Checks whether the number passed as argument is a safe prime.

Parameters

p	The number to be checked

Returns

true if number is a safe prime, false otherwise

cfe_get_prime()

cfe_error cfe_get_prime	(	mpz_t	res,
		size_t	bits,
		bool	safe
	)

Sets the first argument to a prime with specified bit length. The prime will be a safe prime if the safe parameter is true.

Parameters

res	The safe prime (result value is stored here)
bits	Bit length of the safe prime
safe	Boolean value if the prime will be safe or not

Returns

Error code