sha512-224，sha512-256摘要算法计算错误

[fanzhiyu7410]

sha512-224，sha512-256，sha512需要不同的初始化向量，目前代码使用的是sha512的向量导致计算错误。
void sha512_init(SHA512_CTX *ctx)
{
memset(ctx, 0, sizeof(*ctx));
ctx->state[0] = 0x6a09e667f3bcc908;
ctx->state[1] = 0xbb67ae8584caa73b;
ctx->state[2] = 0x3c6ef372fe94f82b;
ctx->state[3] = 0xa54ff53a5f1d36f1;
ctx->state[4] = 0x510e527fade682d1;
ctx->state[5] = 0x9b05688c2b3e6c1f;
ctx->state[6] = 0x1f83d9abfb41bd6b;
ctx->state[7] = 0x5be0cd19137e2179;
}

void sha512_224_init(SHA512_CTX* ctx)
{
memset(ctx, 0, sizeof(*ctx));
ctx->state[0] = 0x8c3d37c819544da2;
ctx->state[1] = 0x73e1996689dcd4d6;
ctx->state[2] = 0x1dfab7ae32ff9c82;
ctx->state[3] = 0x679dd514582f9fcf;
ctx->state[4] = 0x0f6d2b697bd44da8;
ctx->state[5] = 0x77e36f7304c48942;
ctx->state[6] = 0x3f9d85a86a1d36c8;
ctx->state[7] = 0x1112e6ad91d692a1;
}

void sha512_256_init(SHA512_CTX* ctx)
{
memset(ctx, 0, sizeof(*ctx));
ctx->state[0] = 0x22312194fc2bf72c;
ctx->state[1] = 0x9f555fa3c84c64c2;
ctx->state[2] = 0x2393b86b6f53b151;
ctx->state[3] = 0x963877195940eabd;
ctx->state[4] = 0x96283ee2a88effe3;
ctx->state[5] = 0xbe5e1e2553863992;
ctx->state[6] = 0x2b0199fc2c85b8aa;
ctx->state[7] = 0x0eb72ddc81c52ca2;
}