92 lines
3 KiB
Nim
92 lines
3 KiB
Nim
## *
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## @file cmac.h
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## @brief Hardware accelerated AES-CMAC implementation.
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## @copyright libnx Authors
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##
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import
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aes, ../types
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## / Context for AES-128 CMAC.
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type
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Aes128CmacContext* {.bycopy.} = object
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ctx*: Aes128Context
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subkey*: array[AES_Block_Size, U8]
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mac*: array[AES_Block_Size, U8]
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buffer*: array[AES_Block_Size, U8]
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numBuffered*: csize_t
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finalized*: bool
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## / Context for AES-192 CMAC.
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type
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Aes192CmacContext* {.bycopy.} = object
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ctx*: Aes192Context
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subkey*: array[AES_Block_Size, U8]
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mac*: array[AES_Block_Size, U8]
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buffer*: array[AES_Block_Size, U8]
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numBuffered*: csize_t
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finalized*: bool
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## / Context for AES-256 CMAC.
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type
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Aes256CmacContext* {.bycopy.} = object
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ctx*: Aes256Context
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subkey*: array[AES_Block_Size, U8]
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mac*: array[AES_Block_Size, U8]
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buffer*: array[AES_Block_Size, U8]
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numBuffered*: csize_t
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finalized*: bool
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proc cmacAes128ContextCreate*(`out`: ptr Aes128CmacContext; key: pointer) {.cdecl,
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importc: "cmacAes128ContextCreate".}
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## / Initialize an AES-128-CMAC context.
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proc cmacAes128ContextUpdate*(ctx: ptr Aes128CmacContext; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes128ContextUpdate".}
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## / Updates AES-128-CMAC context with data to hash
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proc cmacAes128ContextGetMac*(ctx: ptr Aes128CmacContext; dst: pointer) {.cdecl,
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importc: "cmacAes128ContextGetMac".}
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## / Gets the context's output mac, finalizes the context.
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proc cmacAes128CalculateMac*(dst: pointer; key: pointer; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes128CalculateMac".}
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## / Simple all-in-one AES-128-CMAC calculator.
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proc cmacAes192ContextCreate*(`out`: ptr Aes192CmacContext; key: pointer) {.cdecl,
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importc: "cmacAes192ContextCreate".}
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## / Initialize an AES-192-CMAC context.
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proc cmacAes192ContextUpdate*(ctx: ptr Aes192CmacContext; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes192ContextUpdate".}
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## / Updates AES-192-CMAC context with data to hash
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proc cmacAes192ContextGetMac*(ctx: ptr Aes192CmacContext; dst: pointer) {.cdecl,
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importc: "cmacAes192ContextGetMac".}
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## / Gets the context's output mac, finalizes the context.
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proc cmacAes192CalculateMac*(dst: pointer; key: pointer; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes192CalculateMac".}
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## / Simple all-in-one AES-192-CMAC calculator.
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proc cmacAes256ContextCreate*(`out`: ptr Aes256CmacContext; key: pointer) {.cdecl,
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importc: "cmacAes256ContextCreate".}
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## / Initialize an AES-256-CMAC context.
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proc cmacAes256ContextUpdate*(ctx: ptr Aes256CmacContext; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes256ContextUpdate".}
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## / Updates AES-256-CMAC context with data to hash
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proc cmacAes256ContextGetMac*(ctx: ptr Aes256CmacContext; dst: pointer) {.cdecl,
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importc: "cmacAes256ContextGetMac".}
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## / Gets the context's output mac, finalizes the context.
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proc cmacAes256CalculateMac*(dst: pointer; key: pointer; src: pointer; size: csize_t) {.
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cdecl, importc: "cmacAes256CalculateMac".}
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## / Simple all-in-one AES-256-CMAC calculator.
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