diff options
Diffstat (limited to 'crypto/openssl/crypto/asn1/a_bitstr.c')
-rw-r--r-- | crypto/openssl/crypto/asn1/a_bitstr.c | 74 |
1 files changed, 51 insertions, 23 deletions
diff --git a/crypto/openssl/crypto/asn1/a_bitstr.c b/crypto/openssl/crypto/asn1/a_bitstr.c index c77456b..7013a40 100644 --- a/crypto/openssl/crypto/asn1/a_bitstr.c +++ b/crypto/openssl/crypto/asn1/a_bitstr.c @@ -70,13 +70,27 @@ int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len) { return M_ASN1_BIT_STRING_set(x, d, len); } int i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) +{ + int len, ret; + len = i2c_ASN1_BIT_STRING(a, NULL); + ret=ASN1_object_size(0,len,V_ASN1_BIT_STRING); + if(pp) { + ASN1_put_object(pp,0,len,V_ASN1_BIT_STRING,V_ASN1_UNIVERSAL); + i2c_ASN1_BIT_STRING(a, pp); + } + return ret; +} + +int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) { - int ret,j,r,bits,len; + int ret,j,bits,len; unsigned char *p,*d; if (a == NULL) return(0); len=a->length; + ret=1+len; + if (pp == NULL) return(ret); if (len > 0) { @@ -104,36 +118,27 @@ int i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) } else bits=0; - ret=1+len; - r=ASN1_object_size(0,ret,V_ASN1_BIT_STRING); - if (pp == NULL) return(r); p= *pp; - ASN1_put_object(&p,0,ret,V_ASN1_BIT_STRING,V_ASN1_UNIVERSAL); *(p++)=(unsigned char)bits; d=a->data; memcpy(p,d,len); p+=len; if (len > 0) p[-1]&=(0xff<<bits); *pp=p; - return(r); + return(ret); } + +/* Convert DER encoded ASN1 BIT_STRING to ASN1_BIT_STRING structure */ ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp, long length) - { - ASN1_BIT_STRING *ret=NULL; - unsigned char *p,*s; +{ + unsigned char *p; long len; - int inf,tag,xclass; int i; - - if ((a == NULL) || ((*a) == NULL)) - { - if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL); - } - else - ret=(*a); + int inf,tag,xclass; + ASN1_BIT_STRING *ret; p= *pp; inf=ASN1_get_object(&p,&len,&tag,&xclass,length); @@ -149,7 +154,30 @@ ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp, goto err; } if (len < 1) { i=ASN1_R_STRING_TOO_SHORT; goto err; } + ret = c2i_ASN1_BIT_STRING(a, &p, len); + if(ret) *pp = p; + return ret; +err: + ASN1err(ASN1_F_D2I_ASN1_BIT_STRING,i); + return(NULL); + +} + +ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp, + long len) + { + ASN1_BIT_STRING *ret=NULL; + unsigned char *p,*s; + int i; + + if ((a == NULL) || ((*a) == NULL)) + { + if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL); + } + else + ret=(*a); + p= *pp; i= *(p++); /* We do this to preserve the settings. If we modify * the settings, via the _set_bit function, we will recalculate @@ -159,7 +187,7 @@ ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp, if (len-- > 1) /* using one because of the bits left byte */ { - s=(unsigned char *)Malloc((int)len); + s=(unsigned char *)OPENSSL_malloc((int)len); if (s == NULL) { i=ERR_R_MALLOC_FAILURE; @@ -173,7 +201,7 @@ ASN1_BIT_STRING *d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, unsigned char **pp, s=NULL; ret->length=(int)len; - if (ret->data != NULL) Free(ret->data); + if (ret->data != NULL) OPENSSL_free(ret->data); ret->data=s; ret->type=V_ASN1_BIT_STRING; if (a != NULL) (*a)=ret; @@ -204,14 +232,14 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value) { if (!value) return(1); /* Don't need to set */ if (a->data == NULL) - c=(unsigned char *)Malloc(w+1); + c=(unsigned char *)OPENSSL_malloc(w+1); else - c=(unsigned char *)Realloc(a->data,w+1); + c=(unsigned char *)OPENSSL_realloc(a->data,w+1); if (c == NULL) return(0); + if (w+1-a->length > 0) memset(c+a->length, 0, w+1-a->length); a->data=c; a->length=w+1; - c[w]=0; - } + } a->data[w]=((a->data[w])&iv)|v; while ((a->length > 0) && (a->data[a->length-1] == 0)) a->length--; |