Class: CoBreak::OpenSSL::RIPEMD_160

Inherits:
Object
  • Object
show all
Defined in:
ext/cobreak/cobreak_openssl.c

Class Method Summary collapse

Class Method Details

.hexdigest(full) ⇒ Object 



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# File 'ext/cobreak/cobreak_openssl.c', line 23

VALUE ripemd160_hexdigest(VALUE self, VALUE full){
	char *str = RSTRING_PTR(full);
	int n;
	RIPEMD160_CTX c;
	unsigned char digest[65];
	char *out = (char*)malloc(33);
	int length = strlen(str);

    RIPEMD160_Init(&c);

    while (length > 0) {
        if (length > 512) {
            RIPEMD160_Update(&c, str, 512);
        } else {
            RIPEMD160_Update(&c, str, length);
        }
        length -= 512;
	str += 512;
    }

    RIPEMD160_Final(digest, &c);

    for (n = 0; n < RIPEMD160_DIGEST_LENGTH; ++n) {
        snprintf(&(out[n*2]), RIPEMD160_DIGEST_LENGTH*2, "%02x", (unsigned int)digest[n]);
    }

    return rb_str_new2(out);
    free(out);
}