diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/a_int.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/asn1/a_int.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/a_int.c b/Cryptlib/OpenSSL/crypto/asn1/a_int.c index b788617f..7e26704a 100644 --- a/Cryptlib/OpenSSL/crypto/asn1/a_int.c +++ b/Cryptlib/OpenSSL/crypto/asn1/a_int.c @@ -61,12 +61,12 @@ #include <openssl/asn1.h> #include <openssl/bn.h> -ASN1_INTEGER *ASN1_INTEGER_dup(ASN1_INTEGER *x) +ASN1_INTEGER *ASN1_INTEGER_dup(const ASN1_INTEGER *x) { return M_ASN1_INTEGER_dup(x); } -int ASN1_INTEGER_cmp(ASN1_INTEGER *x, ASN1_INTEGER *y) +int ASN1_INTEGER_cmp(const ASN1_INTEGER *x, const ASN1_INTEGER *y) { int neg, ret; /* Compare signs */ @@ -124,6 +124,8 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp) else { ret = a->length; i = a->data[0]; + if (ret == 1 && i == 0) + neg = 0; if (!neg && (i > 127)) { pad = 1; pb = 0; @@ -162,7 +164,7 @@ int i2c_ASN1_INTEGER(ASN1_INTEGER *a, unsigned char **pp) p += a->length - 1; i = a->length; /* Copy zeros to destination as long as source is zero */ - while (!*n) { + while (!*n && i > 1) { *(p--) = 0; n--; i--; @@ -377,7 +379,7 @@ int ASN1_INTEGER_set(ASN1_INTEGER *a, long v) return (1); } -long ASN1_INTEGER_get(ASN1_INTEGER *a) +long ASN1_INTEGER_get(const ASN1_INTEGER *a) { int neg = 0, i; long r = 0; @@ -391,8 +393,8 @@ long ASN1_INTEGER_get(ASN1_INTEGER *a) return -1; if (a->length > (int)sizeof(long)) { - /* hmm... a bit ugly */ - return (0xffffffffL); + /* hmm... a bit ugly, return all ones */ + return -1; } if (a->data == NULL) return 0; @@ -406,7 +408,7 @@ long ASN1_INTEGER_get(ASN1_INTEGER *a) return (r); } -ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai) +ASN1_INTEGER *BN_to_ASN1_INTEGER(const BIGNUM *bn, ASN1_INTEGER *ai) { ASN1_INTEGER *ret; int len, j; @@ -419,7 +421,7 @@ ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai) ASN1err(ASN1_F_BN_TO_ASN1_INTEGER, ERR_R_NESTED_ASN1_ERROR); goto err; } - if (BN_is_negative(bn)) + if (BN_is_negative(bn) && !BN_is_zero(bn)) ret->type = V_ASN1_NEG_INTEGER; else ret->type = V_ASN1_INTEGER; @@ -446,7 +448,7 @@ ASN1_INTEGER *BN_to_ASN1_INTEGER(BIGNUM *bn, ASN1_INTEGER *ai) return (NULL); } -BIGNUM *ASN1_INTEGER_to_BN(ASN1_INTEGER *ai, BIGNUM *bn) +BIGNUM *ASN1_INTEGER_to_BN(const ASN1_INTEGER *ai, BIGNUM *bn) { BIGNUM *ret; |