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instance method
OpenSSL::HMAC#hexdigest
hmac.hexdigest → string
ext/openssl/ossl_hmac.c
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static VALUE
ossl_hmac_hexdigest(VALUE self)
{
HMAC_CTX *ctx;
unsigned char buf[EVP_MAX_MD_SIZE];
unsigned int buf_len;
VALUE ret;
GetHMAC(self, ctx);
hmac_final(ctx, buf, &buf_len);
ret = rb_str_new(NULL, buf_len * 2);
ossl_bin2hex(buf, RSTRING_PTR(ret), buf_len);
return ret;
}
Returns the authentication code an instance represents as a hex-encoded string.