Digest-SHA1

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SHA1.xs  view on Meta::CPAN

MODULE = Digest::SHA1		PACKAGE = Digest::SHA1

PROTOTYPES: DISABLE

void
new(xclass)
	SV* xclass
    PREINIT:
	SHA_INFO* context;
    PPCODE:
	if (!SvROK(xclass)) {
	    STRLEN my_na;
	    char *sclass = SvPV(xclass, my_na);
	    New(55, context, 1, SHA_INFO);
	    ST(0) = sv_newmortal();
	    sv_setref_pv(ST(0), sclass, (void*)context);
	    SvREADONLY_on(SvRV(ST(0)));
	} else {
	    context = get_sha_info(aTHX_ xclass);
	}
	sha_init(context);
	XSRETURN(1);

void
clone(self)
        SV* self
    PREINIT:
        SHA_INFO* cont = get_sha_info(aTHX_ self);
        const char *myname = sv_reftype(SvRV(self),TRUE);
        SHA_INFO* context;
    PPCODE:
        New(55, context, 1, SHA_INFO);
        ST(0) = sv_newmortal();
        sv_setref_pv(ST(0), myname , (void*)context);
        SvREADONLY_on(SvRV(ST(0)));
        memcpy(context,cont,sizeof(SHA_INFO));
        XSRETURN(1);

void
DESTROY(context)
	SHA_INFO* context

SHA1.xs  view on Meta::CPAN

        Safefree(context);

void
add(self, ...)
	SV* self
    PREINIT:
	SHA_INFO* context = get_sha_info(aTHX_ self);
	int i;
	unsigned char *data;
	STRLEN len;
    PPCODE:
	for (i = 1; i < items; i++) {
	    data = (unsigned char *)(SvPVbyte(ST(i), len));
	    sha_update(context, data, len);
	}
	XSRETURN(1);  /* self */

void
addfile(self, fh)
	SV* self
	InputStream fh

SHA1.xs  view on Meta::CPAN

void
digest(context)
	SHA_INFO* context
    ALIAS:
	Digest::SHA1::digest    = F_BIN
	Digest::SHA1::hexdigest = F_HEX
	Digest::SHA1::b64digest = F_B64
    PREINIT:
	unsigned char digeststr[20];
    PPCODE:
        sha_final(digeststr, context);
	sha_init(context);  /* In case it is reused */
        ST(0) = make_mortal_sv(aTHX_ digeststr, ix);
        XSRETURN(1);

void
sha1(...)
    ALIAS:
	Digest::SHA1::sha1        = F_BIN
	Digest::SHA1::sha1_hex    = F_HEX
	Digest::SHA1::sha1_base64 = F_B64
    PREINIT:
	SHA_INFO ctx;
	int i;
	unsigned char *data;
        STRLEN len;
	unsigned char digeststr[20];
    PPCODE:
	sha_init(&ctx);

	if (DOWARN) {
            const char *msg = 0;
	    if (items == 1) {
		if (SvROK(ST(0))) {
                    SV* sv = SvRV(ST(0));
		    if (SvOBJECT(sv) && strEQ(HvNAME(SvSTASH(sv)), "Digest::SHA1"))
		        msg = "probably called as method";
		    else

SHA1.xs  view on Meta::CPAN

void
sha1_transform(data)
	SV* data
    PREINIT:
        SHA_INFO ctx;
        unsigned char *data_pv;
        unsigned char test[64];
        STRLEN len;
        unsigned char digeststr[20];
    PPCODE:
        sha_init(&ctx);
        
        memset (test, 0, 64);
        data_pv = (unsigned char *)(SvPVbyte(data, len));
        memcpy (test, data_pv, len);
	memcpy ((&ctx)->data, test, 64);
        sha_transform_and_copy(digeststr, &ctx);
        ST(0) = sv_2mortal(newSVpv((char*)digeststr, 20));
        XSRETURN(1);