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b86ced882b
Currently the SHA-224 and SHA-256 library functions can be mixed arbitrarily, even in ways that are incorrect, for example using sha224_init() and sha256_final(). This is because they operate on the same structure, sha256_state. Introduce stronger typing, as I did for SHA-384 and SHA-512. Also as I did for SHA-384 and SHA-512, use the names *_ctx instead of *_state. The *_ctx names have the following small benefits: - They're shorter. - They avoid an ambiguity with the compression function state. - They're consistent with the well-known OpenSSL API. - Users usually name the variable 'sctx' anyway, which suggests that *_ctx would be the more natural name for the actual struct. Therefore: update the SHA-224 and SHA-256 APIs, implementation, and calling code accordingly. In the new structs, also strongly-type the compression function state. Acked-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20250630160645.3198-7-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org> |
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