diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bn/bn_print.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bn/bn_print.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bn/bn_print.c b/Cryptlib/OpenSSL/crypto/bn/bn_print.c index 15bc51af..ab10b957 100644 --- a/Cryptlib/OpenSSL/crypto/bn/bn_print.c +++ b/Cryptlib/OpenSSL/crypto/bn/bn_print.c @@ -71,7 +71,12 @@ char *BN_bn2hex(const BIGNUM *a) char *buf; char *p; - buf = (char *)OPENSSL_malloc(a->top * BN_BYTES * 2 + 2); + if (a->neg && BN_is_zero(a)) { + /* "-0" == 3 bytes including NULL terminator */ + buf = OPENSSL_malloc(3); + } else { + buf = OPENSSL_malloc(a->top * BN_BYTES * 2 + 2); + } if (buf == NULL) { BNerr(BN_F_BN_BN2HEX, ERR_R_MALLOC_FAILURE); goto err; @@ -304,6 +309,24 @@ int BN_dec2bn(BIGNUM **bn, const char *a) return (0); } +int BN_asc2bn(BIGNUM **bn, const char *a) +{ + const char *p = a; + if (*p == '-') + p++; + + if (p[0] == '0' && (p[1] == 'X' || p[1] == 'x')) { + if (!BN_hex2bn(bn, p + 2)) + return 0; + } else { + if (!BN_dec2bn(bn, p)) + return 0; + } + if (*a == '-') + (*bn)->neg = 1; + return 1; +} + #ifndef OPENSSL_NO_BIO # ifndef OPENSSL_NO_FP_API int BN_print_fp(FILE *fp, const BIGNUM *a) @@ -345,3 +368,21 @@ int BN_print(BIO *bp, const BIGNUM *a) return (ret); } #endif + +char *BN_options(void) +{ + static int init = 0; + static char data[16]; + + if (!init) { + init++; +#ifdef BN_LLONG + BIO_snprintf(data, sizeof data, "bn(%d,%d)", + (int)sizeof(BN_ULLONG) * 8, (int)sizeof(BN_ULONG) * 8); +#else + BIO_snprintf(data, sizeof data, "bn(%d,%d)", + (int)sizeof(BN_ULONG) * 8, (int)sizeof(BN_ULONG) * 8); +#endif + } + return (data); +} |