diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/sha3/sha3_s390x.go')
| -rw-r--r-- | vendor/golang.org/x/crypto/sha3/sha3_s390x.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/vendor/golang.org/x/crypto/sha3/sha3_s390x.go b/vendor/golang.org/x/crypto/sha3/sha3_s390x.go index 63a3edb4c..ec26f147f 100644 --- a/vendor/golang.org/x/crypto/sha3/sha3_s390x.go +++ b/vendor/golang.org/x/crypto/sha3/sha3_s390x.go @@ -49,7 +49,7 @@ type asmState struct { buf []byte // care must be taken to ensure cap(buf) is a multiple of rate rate int // equivalent to block size storage [3072]byte // underlying storage for buf - outputLen int // output length if fixed, 0 if not + outputLen int // output length for full security function code // KIMD/KLMD function code state spongeDirection // whether the sponge is absorbing or squeezing } @@ -72,8 +72,10 @@ func newAsmState(function code) *asmState { s.outputLen = 64 case shake_128: s.rate = 168 + s.outputLen = 32 case shake_256: s.rate = 136 + s.outputLen = 64 default: panic("sha3: unrecognized function code") } @@ -108,7 +110,7 @@ func (s *asmState) resetBuf() { // It never returns an error. func (s *asmState) Write(b []byte) (int, error) { if s.state != spongeAbsorbing { - panic("sha3: write to sponge after read") + panic("sha3: Write after Read") } length := len(b) for len(b) > 0 { @@ -192,8 +194,8 @@ func (s *asmState) Read(out []byte) (n int, err error) { // Sum appends the current hash to b and returns the resulting slice. // It does not change the underlying hash state. func (s *asmState) Sum(b []byte) []byte { - if s.outputLen == 0 { - panic("sha3: cannot call Sum on SHAKE functions") + if s.state != spongeAbsorbing { + panic("sha3: Sum after Read") } // Copy the state to preserve the original. |