*   Fixes a missing validation which causes `TensorSummaryV2` to crash ([CVE-2022-29193](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29193))
*   Fixes a missing validation which crashes `QuantizeAndDequantizeV4Grad` ([CVE-2022-29192](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29192))

{ if c.curve != p521 { panic("ecdsa: internal error: unexpectedly masking off bits") } b = rightShift(b, excess) } if k, err := bigmod.NewNat().SetBytes(b, c.N); err == nil && k.IsZero() == 0 { return k, nil } } } func appendBlock(p []byte, blocksize int, b []byte) []byte { if len(b) > blocksize { panic("ecdsa: internal error: appendBlock input larger than block") } padding := blocksize - len(b) p = append(p, make([]byte, padding)...) return append(p, b...) } func trimBlock(p []byte, size int) ([]byte,...

{ if c.curve != p521 { panic("ecdsa: internal error: unexpectedly masking off bits") } b = rightShift(b, excess) } if k, err := bigmod.NewNat().SetBytes(b, c.N); err == nil && k.IsZero() == 0 { return k, nil } } } func appendBlock(p []byte, blocksize int, b []byte) []byte { if len(b) > blocksize { panic("ecdsa: internal error: appendBlock input larger than block") } padding := blocksize - len(b) p = append(p, make([]byte, padding)...) return append(p, b...) } func trimBlock(p []byte, size int) ([]byte,...