X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fx_bignum.c;h=a5a403c26e10ee155cb7b88e75ff1db974b343f5;hp=1f1036409b582141a4a0523f4d9a5e919dd48844;hb=6fff54b0ced16781ff97592f6d6e1e532f9964bf;hpb=6e20f556465f082dd4fdbd096a488e37528ddebf diff --git a/crypto/asn1/x_bignum.c b/crypto/asn1/x_bignum.c index 1f1036409b..a5a403c26e 100644 --- a/crypto/asn1/x_bignum.c +++ b/crypto/asn1/x_bignum.c @@ -98,46 +98,55 @@ ASN1_ITEM_end(CBIGNUM) static int bn_new(ASN1_VALUE **pval, const ASN1_ITEM *it) { - *pval = (ASN1_VALUE *)BN_new(); - if(*pval) return 1; - else return 0; + *pval = (ASN1_VALUE *)BN_new(); + if (*pval) + return 1; + else + return 0; } static void bn_free(ASN1_VALUE **pval, const ASN1_ITEM *it) { - if(!*pval) return; - if(it->size & BN_SENSITIVE) BN_clear_free((BIGNUM *)*pval); - else BN_free((BIGNUM *)*pval); - *pval = NULL; + if (!*pval) + return; + if (it->size & BN_SENSITIVE) + BN_clear_free((BIGNUM *)*pval); + else + BN_free((BIGNUM *)*pval); + *pval = NULL; } -static int bn_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it) +static int bn_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, + const ASN1_ITEM *it) { - BIGNUM *bn; - int pad; - if(!*pval) return -1; - bn = (BIGNUM *)*pval; - /* If MSB set in an octet we need a padding byte */ - if(BN_num_bits(bn) & 0x7) pad = 0; - else pad = 1; - if(cont) { - if(pad) *cont++ = 0; - BN_bn2bin(bn, cont); - } - return pad + BN_num_bytes(bn); + BIGNUM *bn; + int pad; + if (!*pval) + return -1; + bn = (BIGNUM *)*pval; + /* If MSB set in an octet we need a padding byte */ + if (BN_num_bits(bn) & 0x7) + pad = 0; + else + pad = 1; + if (cont) { + if (pad) + *cont++ = 0; + BN_bn2bin(bn, cont); + } + return pad + BN_num_bytes(bn); } static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it) { - BIGNUM *bn; - if(!*pval) bn_new(pval, it); - bn = (BIGNUM *)*pval; - if(!BN_bin2bn(cont, len, bn)) { - bn_free(pval, it); - return 0; - } - return 1; + BIGNUM *bn; + if (!*pval) + bn_new(pval, it); + bn = (BIGNUM *)*pval; + if (!BN_bin2bn(cont, len, bn)) { + bn_free(pval, it); + return 0; + } + return 1; } - -