__chacha20poly1305_encrypt

Name:__chacha20poly1305_encrypt

Proto:static void __chacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len, const u8 *ad, const size_t ad_len, u32 *chacha_state)

Type:void

Parameter:

Type	Parameter	Name
u8 *	dst
const u8 *	src
const size_t	src_len
const u8 *	ad
const size_t	ad_len
u32 *	chacha_state

62

pad0 = page_address(ZERO_PAGE(0))

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union{u8 block0[32];__le64 lens[2];}b

69

chacha20_crypt(chacha_state, block0, pad0, size of block0 )

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poly1305_init( & poly1305_state, block0)

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poly1305_update( & poly1305_state, ad, ad_len)

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If ad_len & 0xf Then poly1305_update( & poly1305_state, pad0, 0x10 - (ad_len & 0xf))

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chacha20_crypt(chacha_state, dst, src, src_len)

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poly1305_update( & poly1305_state, dst, src_len)

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If src_len & 0xf Then poly1305_update( & poly1305_state, pad0, 0x10 - (src_len & 0xf))

82

lens[0] = The following macros are to be defined by (ad_len)

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lens[1] = The following macros are to be defined by (src_len)

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poly1305_update( & poly1305_state, (u8 * )lens, size of lens )

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poly1305_final( & poly1305_state, dst + src_len)

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memzero_explicit - Fill a region of memory (e

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memzero_explicit - Fill a region of memory (e

**Caller**
Name	Describe
chacha20poly1305_encrypt
xchacha20poly1305_encrypt

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion