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bn_set_bit(3openssl) [opensolaris man page]

BN_set_bit(3openssl)						      OpenSSL						      BN_set_bit(3openssl)

NAME
BN_set_bit, BN_clear_bit, BN_is_bit_set, BN_mask_bits, BN_lshift, BN_lshift1, BN_rshift, BN_rshift1 - bit operations on BIGNUMs SYNOPSIS
#include <openssl/bn.h> int BN_set_bit(BIGNUM *a, int n); int BN_clear_bit(BIGNUM *a, int n); int BN_is_bit_set(const BIGNUM *a, int n); int BN_mask_bits(BIGNUM *a, int n); int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); int BN_lshift1(BIGNUM *r, BIGNUM *a); int BN_rshift(BIGNUM *r, BIGNUM *a, int n); int BN_rshift1(BIGNUM *r, BIGNUM *a); DESCRIPTION
BN_set_bit() sets bit n in a to 1 (a|=(1<<n)). The number is expanded if necessary. BN_clear_bit() sets bit n in a to 0 (a&=~(1<<n)). An error occurs if a is shorter than n bits. BN_is_bit_set() tests if bit n in a is set. BN_mask_bits() truncates a to an n bit number (a&=~((~0)>>n)). An error occurs if a already is shorter than n bits. BN_lshift() shifts a left by n bits and places the result in r (r=a*2^n). BN_lshift1() shifts a left by one and places the result in r (r=2*a). BN_rshift() shifts a right by n bits and places the result in r (r=a/2^n). BN_rshift1() shifts a right by one and places the result in r (r=a/2). For the shift functions, r and a may be the same variable. RETURN VALUES
BN_is_bit_set() returns 1 if the bit is set, 0 otherwise. All other functions return 1 for success, 0 on error. The error codes can be obtained by ERR_get_error(3). SEE ALSO
bn(3), BN_num_bytes(3), BN_add(3) HISTORY
BN_set_bit(), BN_clear_bit(), BN_is_bit_set(), BN_mask_bits(), BN_lshift(), BN_lshift1(), BN_rshift(), and BN_rshift1() are available in all versions of SSLeay and OpenSSL. OpenSSL-0.9.8 Oct 11 2005 BN_set_bit(3openssl)

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BN_set_bit(3openssl)						      OpenSSL						      BN_set_bit(3openssl)

NAME
BN_set_bit, BN_clear_bit, BN_is_bit_set, BN_mask_bits, BN_lshift, BN_lshift1, BN_rshift, BN_rshift1 - bit operations on BIGNUMs SYNOPSIS
#include <openssl/bn.h> int BN_set_bit(BIGNUM *a, int n); int BN_clear_bit(BIGNUM *a, int n); int BN_is_bit_set(const BIGNUM *a, int n); int BN_mask_bits(BIGNUM *a, int n); int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); int BN_lshift1(BIGNUM *r, BIGNUM *a); int BN_rshift(BIGNUM *r, BIGNUM *a, int n); int BN_rshift1(BIGNUM *r, BIGNUM *a); DESCRIPTION
BN_set_bit() sets bit n in a to 1 (a|=(1<<n)). The number is expanded if necessary. BN_clear_bit() sets bit n in a to 0 (a&=~(1<<n)). An error occurs if a is shorter than n bits. BN_is_bit_set() tests if bit n in a is set. BN_mask_bits() truncates a to an n bit number (a&=~((~0)>>n)). An error occurs if a already is shorter than n bits. BN_lshift() shifts a left by n bits and places the result in r (r=a*2^n). BN_lshift1() shifts a left by one and places the result in r (r=2*a). BN_rshift() shifts a right by n bits and places the result in r (r=a/2^n). BN_rshift1() shifts a right by one and places the result in r (r=a/2). For the shift functions, r and a may be the same variable. RETURN VALUES
BN_is_bit_set() returns 1 if the bit is set, 0 otherwise. All other functions return 1 for success, 0 on error. The error codes can be obtained by ERR_get_error(3). SEE ALSO
bn(3), BN_num_bytes(3), BN_add(3) HISTORY
BN_set_bit(), BN_clear_bit(), BN_is_bit_set(), BN_mask_bits(), BN_lshift(), BN_lshift1(), BN_rshift(), and BN_rshift1() are available in all versions of SSLeay and OpenSSL. OpenSSL-0.9.8 Oct 11 2005 BN_set_bit(3openssl)
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