diff options
Diffstat (limited to 'internal/cryptocore/crypto_api.go')
-rw-r--r-- | internal/cryptocore/crypto_api.go | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/internal/cryptocore/crypto_api.go b/internal/cryptocore/crypto_api.go deleted file mode 100644 index 0db9bbb..0000000 --- a/internal/cryptocore/crypto_api.go +++ /dev/null @@ -1,56 +0,0 @@ -package cryptocore - -import ( - "crypto/aes" - "crypto/cipher" - "fmt" -) - -const ( - KeyLen = 32 // AES-256 - AuthTagLen = 16 -) - -type CryptoCore struct { - BlockCipher cipher.Block - Gcm cipher.AEAD - GcmIVGen *nonceGenerator - IVLen int -} - -func New(key []byte, useOpenssl bool, GCMIV128 bool) *CryptoCore { - - if len(key) != KeyLen { - panic(fmt.Sprintf("Unsupported key length %d", len(key))) - } - - // We want the IV size in bytes - IVLen := 96 / 8 - if GCMIV128 { - IVLen = 128 / 8 - } - - // We always use built-in Go crypto for blockCipher because it is not - // performance-critical. - blockCipher, err := aes.NewCipher(key) - if err != nil { - panic(err) - } - - var gcm cipher.AEAD - if useOpenssl { - gcm = opensslGCM{key} - } else { - gcm, err = goGCMWrapper(blockCipher, IVLen) - if err != nil { - panic(err) - } - } - - return &CryptoCore{ - BlockCipher: blockCipher, - Gcm: gcm, - GcmIVGen: &nonceGenerator{nonceLen: IVLen}, - IVLen: IVLen, - } -} |