src/crypto/internal/fips140/sha256

• _asm/
• cast.mx
• sha256.mx
• sha256block.mx
• sha256block_386.s
• sha256block_amd64.mx
• sha256block_amd64.s
• sha256block_arm64.mx
• sha256block_arm64.s
• sha256block_asm.mx
• sha256block_loong64.s
• sha256block_noasm.mx
• sha256block_ppc64x.mx
• sha256block_ppc64x.s
• sha256block_riscv64.s
• sha256block_s390x.mx
• sha256block_s390x.s