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RSA_size(3)


NAME

  RSA_size - Get RSA modulus size


SYNOPSIS

  #include <openssl/rsa.h>

  int RSA_size(
	  RSA *rsa );


DESCRIPTION

  This function returns the RSA modulus size in bytes. It can be used to
  determine how much memory must be allocated for an RSA encrypted value.

  The rsa->n must not be NULL.


RETURN VALUE

  The size in bytes.


HISTORY

  The RSA_size() function is available in all versions of SSLeay and OpenSSL.


SEE ALSO

  Functions: rsa(3)

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