mirror of
https://github.com/qrtc/ffmpeg-dev-go.git
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29 lines
736 B
Go
29 lines
736 B
Go
package ffmpeg
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/*
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#include <libavutil/tea.h>
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*/
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import "C"
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// AVTEA
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type AVTEA C.struct_AVTEA
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// AvTeaAlloc allocates an AVTEA context.
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func AvTeaAlloc() *AVTEA {
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return (*AVTEA)(C.av_tea_alloc())
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}
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// AvTeaInit initializes an AVTEA context.
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func AvTeaInit(ctx *AVTEA, key []uint8, rounds int32) {
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if len(key) < 16 {
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panic("key len < 16")
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}
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C.av_tea_init((*C.struct_AVTEA)(ctx), (*C.uint8_t)(&key[0]), (C.int)(rounds))
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}
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// AvTeaCrypt encrypts or decrypts a buffer using a previously initialized context.
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func AvTeaCrypt(ctx *AVTEA, dst, src *uint8, count int32, iv *uint8, decrypt int32) {
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C.av_tea_crypt((*C.struct_AVTEA)(ctx), (*C.uint8_t)(dst), (*C.uint8_t)(src),
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(C.int)(count), (*C.uint8_t)(iv), (C.int)(decrypt))
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}
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