Cryptography in C and C++, Second Edition

Appendix C. Macros

Error Codes and Status Values

E_CLINT_DBZ	−1	division by zero
E_CLINT_OFL	−2	overflow
E_CLINT_UFL	−3	underflow
E_CLINT_MAL	−4	memory allocation error
E_CLINT_NOR	−5	register not available
E_CLINT_BOR	−6	invalid base in str2clint_l()
E_CLINT_MOD	−7	even modulus in Montgomery reduction
E_CLINT_NPT	−8	null pointer passed as argument
E_VCHECK_OFL	1	vcheck_l() warning: number too long
E_VCHECK_LDZ	2	vcheck_l() warning: leading zeros
E_VCHECK_MEM	−1	vcheck_l() error: null pointer

Additional Constants

BASE	0x10000	base B = 216 of the CLINT number format
BASEMINONE	0xffffU	B − 1
DBASEMINONE	0xffffffffUL	B2 − 1
BASEDIV2	0x8000U	[B/2]
NOOFREGS	16U	standard number of registers in register bank
BITPERDGT	16UL	number of binary digits per CLINT digit
LDBITPERDGT	4U	logarithm of BITPERDGT to base ...