const.go

package openssl

import "C"
import "unsafe"

// cString is a null-terminated string,
// akin to C's char*.
type cString string

// str returns the string value.
func (s cString) str() string {
	return string(s)
}

// ptr returns a pointer to the string data.
// It panics if the string is not null-terminated.
//
// The memory pointed to by the returned pointer should
// not be modified and it must only be passed to
// "const char*" parameters. Any attempt to modify it
// will result in a runtime panic, as Go strings are
// allocated in read-only memory.
func (s cString) ptr() *byte {
	if len(s) == 0 {
		return nil
	}
	if s[len(s)-1] != 0 {
		panic("must be null-terminated")
	}
	return unsafe.StringData(string(s))
}

const ( //checkheader:ignore
	// Provider names
	_ProviderNameFips    cString = "fips\x00"
	_ProviderNameDefault cString = "default\x00"

	// Property strings
	_PropFIPSYes cString = "fips=yes\x00"
	_PropFIPSNo  cString = "-fips\x00"

	// Key types
	_KeyTypeRSA     cString = "RSA\x00"
	_KeyTypeEC      cString = "EC\x00"
	_KeyTypeED25519 cString = "ED25519\x00"

	// Digest Names
	_DigestNameSHA2_256 cString = "SHA2-256\x00"

	// KDF names
	_OSSL_KDF_NAME_HKDF     cString = "HKDF\x00"
	_OSSL_KDF_NAME_PBKDF2   cString = "PBKDF2\x00"
	_OSSL_KDF_NAME_TLS1_PRF cString = "TLS1-PRF\x00"
	_OSSL_MAC_NAME_HMAC     cString = "HMAC\x00"

	// KDF parameters
	_OSSL_KDF_PARAM_DIGEST cString = "digest\x00"
	_OSSL_KDF_PARAM_SECRET cString = "secret\x00"
	_OSSL_KDF_PARAM_SEED   cString = "seed\x00"
	_OSSL_KDF_PARAM_KEY    cString = "key\x00"
	_OSSL_KDF_PARAM_INFO   cString = "info\x00"
	_OSSL_KDF_PARAM_SALT   cString = "salt\x00"
	_OSSL_KDF_PARAM_MODE   cString = "mode\x00"

	// PKEY parameters
	_OSSL_PKEY_PARAM_PUB_KEY          cString = "pub\x00"
	_OSSL_PKEY_PARAM_PRIV_KEY         cString = "priv\x00"
	_OSSL_PKEY_PARAM_GROUP_NAME       cString = "group\x00"
	_OSSL_PKEY_PARAM_EC_PUB_X         cString = "qx\x00"
	_OSSL_PKEY_PARAM_EC_PUB_Y         cString = "qy\x00"
	_OSSL_PKEY_PARAM_FFC_PBITS        cString = "pbits\x00"
	_OSSL_PKEY_PARAM_FFC_QBITS        cString = "qbits\x00"
	_OSSL_PKEY_PARAM_RSA_N            cString = "n\x00"
	_OSSL_PKEY_PARAM_RSA_E            cString = "e\x00"
	_OSSL_PKEY_PARAM_RSA_D            cString = "d\x00"
	_OSSL_PKEY_PARAM_FFC_P            cString = "p\x00"
	_OSSL_PKEY_PARAM_FFC_Q            cString = "q\x00"
	_OSSL_PKEY_PARAM_FFC_G            cString = "g\x00"
	_OSSL_PKEY_PARAM_RSA_FACTOR1      cString = "rsa-factor1\x00"
	_OSSL_PKEY_PARAM_RSA_FACTOR2      cString = "rsa-factor2\x00"
	_OSSL_PKEY_PARAM_RSA_EXPONENT1    cString = "rsa-exponent1\x00"
	_OSSL_PKEY_PARAM_RSA_EXPONENT2    cString = "rsa-exponent2\x00"
	_OSSL_PKEY_PARAM_RSA_COEFFICIENT1 cString = "rsa-coefficient1\x00"

	// MAC parameters
	_OSSL_MAC_PARAM_DIGEST cString = "digest\x00"
)