const crypto/internal/fips140/sha512.magic512_256

4 uses

	crypto/internal/fips140/sha512 (current package)
		sha512.go#L127: 	magic512_256  = "sha\x06"
		sha512.go#L143: 		b = append(b, magic512_256...)
		sha512.go#L170: 	case d.size == size256 && string(b[:len(magic512_256)]) == magic512_256:

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